./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1893419295 <...> Warning: Permanently added '10.128.0.162' (ED25519) to the list of known hosts. execve("./syz-executor1893419295", ["./syz-executor1893419295"], 0x7ffe7efd7c50 /* 10 vars */) = 0 brk(NULL) = 0x555565b1f000 brk(0x555565b1fd00) = 0x555565b1fd00 arch_prctl(ARCH_SET_FS, 0x555565b1f380) = 0 set_tid_address(0x555565b1f650) = 296 set_robust_list(0x555565b1f660, 24) = 0 rseq(0x555565b1fca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1893419295", 4096) = 28 getrandom("\x4f\x7d\xe0\x8f\x7c\x17\x76\xc4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565b1fd00 brk(0x555565b40d00) = 0x555565b40d00 brk(0x555565b41000) = 0x555565b41000 mprotect(0x7f66909ac000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 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, "+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 [ 22.497151][ T36] audit: type=1400 audit(1750438767.249:64): avc: denied { execmem } for pid=296 comm="syz-executor189" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.502844][ T296] cgroup: Unknown subsys name 'net' [ 22.516586][ T36] audit: type=1400 audit(1750438767.259:65): avc: denied { mounton } for pid=296 comm="syz-executor189" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 22.544617][ T36] audit: type=1400 audit(1750438767.259:66): avc: denied { mount } for pid=296 comm="syz-executor189" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.545153][ T296] cgroup: Unknown subsys name 'devices' [ 22.566956][ T36] audit: type=1400 audit(1750438767.259:67): avc: denied { mounton } for pid=296 comm="syz-executor189" path="/syzcgroup/net" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = -1 EINVAL (Invalid argument) 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 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 22.566981][ T36] audit: type=1400 audit(1750438767.279:68): avc: denied { unmount } for pid=296 comm="syz-executor189" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,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") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) [ 22.753346][ T296] cgroup: Unknown subsys name 'hugetlb' [ 22.759341][ T296] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = 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 mkdir("./syzkaller.pLe6Pb", 0700) = 0 chmod("./syzkaller.pLe6Pb", 0777) = 0 chdir("./syzkaller.pLe6Pb") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... clone resumed>, child_tidptr=0x555565b1f650) = 297 [pid 297] <... prctl resumed>) = 0 [pid 297] getppid() = 0 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 297] unshare(CLONE_NEWNS) = 0 [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP) = 0 [pid 297] unshare(CLONE_NEWUTS) = 0 [pid 297] unshare(CLONE_SYSVSEM) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid() = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 31 c0 e9 b6 00 00 00 41 83 fd 0a 0f 87 aa 00 00 00 44 89 6c [ 23.127941][ T298] RSP: 0018:ffffc9000122f8a0 EFLAGS: 00010246 [ 23.134019][ T298] RAX: 0000000000000000 RBX: 1ffff92000245f18 RCX: 0000000000000000 [ 23.142004][ T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000122f948 [ 23.149990][ T298] RBP: ffffc9000122f9d0 R08: ffffc9000122f947 R09: 0000000000000000 [ 23.157957][ T298] R10: ffffc9000122f930 R11: fffff52000245f29 R12: ffffc9000122f8e0 [ 23.165949][ T298] R13: 000000000000000e R14: dffffc0000000000 R15: 0000000000000000 [ 23.173933][ T298] FS: 0000555565b1f380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.182912][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.189521][ T298] CR2: 0000200000001000 CR3: 0000000107a96000 CR4: 00000000003526b0 [ 23.197488][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.205477][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.213465][ T298] Call Trace: [ 23.216733][ T298] [ 23.219668][ T298] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.225746][ T298] ? __cfi___alloc_pages_noprof+0x10/0x10 [ 23.231476][ T298] ? incfs_realloc_mount_info+0xa7/0x4d0 [ 23.237106][ T298] ___kmalloc_large_node+0x9c/0x1d0 [ 23.242325][ T298] ? incfs_realloc_mount_info+0xa7/0x4d0 [ 23.247956][ T298] __kmalloc_large_node_noprof+0x1e/0xe0 [ 23.253596][ T298] ? incfs_realloc_mount_info+0xa7/0x4d0 [ 23.259246][ T298] __kmalloc_noprof+0x26d/0x450 [ 23.264084][ T298] incfs_realloc_mount_info+0xa7/0x4d0 [ 23.269541][ T298] ? incfs_add_sysfs_node+0x118/0x240 [ 23.274901][ T298] incfs_alloc_mount_info+0x479/0x600 [ 23.280272][ T298] incfs_mount_fs+0x3ca/0x960 [ 23.284940][ T298] ? __kasan_check_read+0x15/0x20 [ 23.289959][ T298] ? __cfi_incfs_mount_fs+0x10/0x10 [ 23.295149][ T298] ? selinux_capable+0x38/0x50 [ 23.299916][ T298] legacy_get_tree+0x103/0x1b0 [ 23.304674][ T298] ? __cfi_incfs_mount_fs+0x10/0x10 [ 23.309875][ T298] vfs_get_tree+0x9e/0x290 [ 23.314282][ T298] do_new_mount+0x251/0xb40 [ 23.318788][ T298] path_mount+0x688/0x1050 [ 23.323197][ T298] ? putname+0x113/0x150 [ 23.327416][ T298] __se_sys_mount+0x2bd/0x480 [ 23.332091][ T298] ? __x64_sys_mount+0xf0/0xf0 [ 23.336845][ T298] ? __kasan_check_read+0x15/0x20 [ 23.341867][ T298] __x64_sys_mount+0xc3/0xf0 [ 23.346450][ T298] x64_sys_call+0x2021/0x2ee0 [ 23.351127][ T298] do_syscall_64+0x58/0xf0 [ 23.355536][ T298] ? clear_bhb_loop+0x35/0x90 [ 23.360218][ T298] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.366104][ T298] RIP: 0033:0x7f6690937ea9 [ 23.370528][ T298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 23.390134][ T298] RSP: 002b:00007ffdbfb959c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 23.398561][ T298] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6690937ea9 [ 23.406523][ T298] RDX: 0000200000000480 RSI: 0000200000000440 RDI: 0000200000000400 [ 23.414497][ T298] RBP: 0000200000000440 R08: 00002000000006c0 R09: 0000000000000000 [ 23.422492][ T298] R10: 000000000000004a R11: 0000000000000246 R12: 0000200000000480 [pid 298] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 298] close(3) = -1 EBADF (Bad file descriptor) [pid 298] close(4) = -1 EBADF (Bad file descriptor) [pid 298] close(5) = -1 EBADF (Bad file descriptor) [pid 298] close(6) = -1 EBADF (Bad file descriptor) [pid 298] close(7) = -1 EBADF (Bad file descriptor) [pid 298] close(8) = -1 EBADF (Bad file descriptor) [pid 298] close(9) = -1 EBADF (Bad file descriptor) [pid 298] close(10) = -1 EBADF (Bad file descriptor) [pid 298] close(11) = -1 EBADF (Bad file descriptor) [pid 298] close(12) = -1 EBADF (Bad file descriptor) [pid 298] close(13) = -1 EBADF (Bad file descriptor) [pid 298] close(14) = -1 EBADF (Bad file descriptor) [pid 298] close(15) = -1 EBADF (Bad file descriptor) [pid 298] close(16) = -1 EBADF (Bad file descriptor) [pid 298] close(17) = -1 EBADF (Bad file descriptor) [pid 298] close(18) = -1 EBADF (Bad file descriptor) [pid 298] close(19) = -1 EBADF (Bad file descriptor) [pid 298] close(20) = -1 EBADF (Bad file descriptor) [pid 298] close(21) = -1 EBADF (Bad file descriptor) [pid 298] close(22) = -1 EBADF (Bad file descriptor) [pid 298] close(23) = -1 EBADF (Bad file descriptor) [pid 298] close(24) = -1 EBADF (Bad file descriptor) [pid 298] close(25) = -1 EBADF (Bad file descriptor) [pid 298] close(26) = -1 EBADF (Bad file descriptor) [pid 298] close(27) = -1 EBADF (Bad file descriptor) [pid 298] close(28) = -1 EBADF (Bad file descriptor) [pid 298] close(29) = -1 EBADF (Bad file descriptor) [pid 298] exit_group(0) = ? [pid 298] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=37} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/binderfs") = 0 [pid 297] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/cgroup.net") = 0 [pid 297] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/cgroup.cpu") = 0 [pid 297] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./0") = 0 [pid 297] mkdir("./1", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555565b1f660, 24) = 0 [pid 299] chdir("./1" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 3 [pid 299] <... chdir resumed>) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 299] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 299] write(1, "executing program\n", 18) = 18 [pid 299] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 299] close(3) = -1 EBADF (Bad file descriptor) [pid 299] close(4) = -1 EBADF (Bad file descriptor) [pid 299] close(5) = -1 EBADF (Bad file descriptor) [pid 299] close(6) = -1 EBADF (Bad file descriptor) [pid 299] close(7) = -1 EBADF (Bad file descriptor) [pid 299] close(8) = -1 EBADF (Bad file descriptor) [pid 299] close(9) = -1 EBADF (Bad file descriptor) [pid 299] close(10) = -1 EBADF (Bad file descriptor) [pid 299] close(11) = -1 EBADF (Bad file descriptor) [pid 299] close(12) = -1 EBADF (Bad file descriptor) [pid 299] close(13) = -1 EBADF (Bad file descriptor) [pid 299] close(14) = -1 EBADF (Bad file descriptor) [pid 299] close(15) = -1 EBADF (Bad file descriptor) [pid 299] close(16) = -1 EBADF (Bad file descriptor) [pid 299] close(17) = -1 EBADF (Bad file descriptor) [pid 299] close(18) = -1 EBADF (Bad file descriptor) [pid 299] close(19) = -1 EBADF (Bad file descriptor) [pid 299] close(20) = -1 EBADF (Bad file descriptor) [pid 299] close(21) = -1 EBADF (Bad file descriptor) [pid 299] close(22) = -1 EBADF (Bad file descriptor) [pid 299] close(23) = -1 EBADF (Bad file descriptor) [pid 299] close(24) = -1 EBADF (Bad file descriptor) [pid 299] close(25) = -1 EBADF (Bad file descriptor) [pid 299] close(26) = -1 EBADF (Bad file descriptor) [pid 299] close(27) = -1 EBADF (Bad file descriptor) [pid 299] close(28) = -1 EBADF (Bad file descriptor) [pid 299] close(29) = -1 EBADF (Bad file descriptor) [pid 299] exit_group(0) = ? [pid 299] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./1/binderfs") = 0 [pid 297] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./1/cgroup.net") = 0 [pid 297] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./1/cgroup.cpu") = 0 [pid 297] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./1/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./1") = 0 [pid 297] mkdir("./2", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x555565b1f660, 24) = 0 [pid 300] chdir("./2") = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 4 [pid 300] <... symlink resumed>) = 0 [pid 300] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 300] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 [pid 300] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 300] write(1, "executing program\n", 18) = 18 [ 23.430467][ T298] R13: 00002000000006c0 R14: 00007f669098111d R15: 0000000000000000 [ 23.438427][ T298] [ 23.441460][ T298] ---[ end trace 0000000000000000 ]--- [ 23.446969][ T298] incfs: Error allocating mount info. -12 [ 23.452775][ T298] incfs: mount failed -12 [ 23.470139][ T299] incfs: Error allocating mount info. -12 [ 23.475884][ T299] incfs: mount failed -12 [pid 300] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 300] close(3) = -1 EBADF (Bad file descriptor) [pid 300] close(4) = -1 EBADF (Bad file descriptor) [pid 300] close(5) = -1 EBADF (Bad file descriptor) [pid 300] close(6) = -1 EBADF (Bad file descriptor) [pid 300] close(7) = -1 EBADF (Bad file descriptor) [pid 300] close(8) = -1 EBADF (Bad file descriptor) [pid 300] close(9) = -1 EBADF (Bad file descriptor) [pid 300] close(10) = -1 EBADF (Bad file descriptor) [pid 300] close(11) = -1 EBADF (Bad file descriptor) [pid 300] close(12) = -1 EBADF (Bad file descriptor) [pid 300] close(13) = -1 EBADF (Bad file descriptor) [pid 300] close(14) = -1 EBADF (Bad file descriptor) [pid 300] close(15) = -1 EBADF (Bad file descriptor) [pid 300] close(16) = -1 EBADF (Bad file descriptor) [pid 300] close(17) = -1 EBADF (Bad file descriptor) [pid 300] close(18) = -1 EBADF (Bad file descriptor) [pid 300] close(19) = -1 EBADF (Bad file descriptor) [pid 300] close(20) = -1 EBADF (Bad file descriptor) [pid 300] close(21) = -1 EBADF (Bad file descriptor) [pid 300] close(22) = -1 EBADF (Bad file descriptor) [pid 300] close(23) = -1 EBADF (Bad file descriptor) [pid 300] close(24) = -1 EBADF (Bad file descriptor) [pid 300] close(25) = -1 EBADF (Bad file descriptor) [pid 300] close(26) = -1 EBADF (Bad file descriptor) [pid 300] close(27) = -1 EBADF (Bad file descriptor) [pid 300] close(28) = -1 EBADF (Bad file descriptor) [pid 300] close(29) = -1 EBADF (Bad file descriptor) [pid 300] exit_group(0) = ? [pid 300] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./2/binderfs") = 0 [pid 297] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./2/cgroup.net") = 0 [pid 297] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./2/cgroup.cpu") = 0 [pid 297] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./2/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./2") = 0 [pid 297] mkdir("./3", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 301 attached , child_tidptr=0x555565b1f650) = 5 [pid 301] set_robust_list(0x555565b1f660, 24) = 0 [pid 301] chdir("./3") = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 301] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 301] write(1, "executing program\n", 18) = 18 [pid 301] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 301] close(3) = -1 EBADF (Bad file descriptor) [pid 301] close(4) = -1 EBADF (Bad file descriptor) [pid 301] close(5) = -1 EBADF (Bad file descriptor) [pid 301] close(6) = -1 EBADF (Bad file descriptor) [pid 301] close(7) = -1 EBADF (Bad file descriptor) [pid 301] close(8) = -1 EBADF (Bad file descriptor) [pid 301] close(9) = -1 EBADF (Bad file descriptor) [pid 301] close(10) = -1 EBADF (Bad file descriptor) [pid 301] close(11) = -1 EBADF (Bad file descriptor) [pid 301] close(12) = -1 EBADF (Bad file descriptor) [pid 301] close(13) = -1 EBADF (Bad file descriptor) [pid 301] close(14) = -1 EBADF (Bad file descriptor) [pid 301] close(15) = -1 EBADF (Bad file descriptor) [pid 301] close(16) = -1 EBADF (Bad file descriptor) [pid 301] close(17) = -1 EBADF (Bad file descriptor) [pid 301] close(18) = -1 EBADF (Bad file descriptor) [pid 301] close(19) = -1 EBADF (Bad file descriptor) [pid 301] close(20) = -1 EBADF (Bad file descriptor) [pid 301] close(21) = -1 EBADF (Bad file descriptor) [pid 301] close(22) = -1 EBADF (Bad file descriptor) [pid 301] close(23) = -1 EBADF (Bad file descriptor) [pid 301] close(24) = -1 EBADF (Bad file descriptor) [pid 301] close(25) = -1 EBADF (Bad file descriptor) [pid 301] close(26) = -1 EBADF (Bad file descriptor) [pid 301] close(27) = -1 EBADF (Bad file descriptor) [pid 301] close(28) = -1 EBADF (Bad file descriptor) [pid 301] close(29) = -1 EBADF (Bad file descriptor) [pid 301] exit_group(0) = ? [pid 301] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./3/binderfs") = 0 [pid 297] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./3/cgroup.net") = 0 [pid 297] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./3/cgroup.cpu") = 0 [pid 297] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./3/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./3") = 0 [pid 297] mkdir("./4", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 6 ./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x555565b1f660, 24) = 0 [pid 302] chdir("./4") = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 302] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 302] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 302] write(1, "executing program\n", 18) = 18 [ 23.497004][ T300] incfs: Error allocating mount info. -12 [ 23.502877][ T300] incfs: mount failed -12 [ 23.525564][ T301] incfs: Error allocating mount info. -12 [ 23.531340][ T301] incfs: mount failed -12 [pid 302] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 302] close(3) = -1 EBADF (Bad file descriptor) [pid 302] close(4) = -1 EBADF (Bad file descriptor) [pid 302] close(5) = -1 EBADF (Bad file descriptor) [pid 302] close(6) = -1 EBADF (Bad file descriptor) [pid 302] close(7) = -1 EBADF (Bad file descriptor) [pid 302] close(8) = -1 EBADF (Bad file descriptor) [pid 302] close(9) = -1 EBADF (Bad file descriptor) [pid 302] close(10) = -1 EBADF (Bad file descriptor) [pid 302] close(11) = -1 EBADF (Bad file descriptor) [pid 302] close(12) = -1 EBADF (Bad file descriptor) [pid 302] close(13) = -1 EBADF (Bad file descriptor) [pid 302] close(14) = -1 EBADF (Bad file descriptor) [pid 302] close(15) = -1 EBADF (Bad file descriptor) [pid 302] close(16) = -1 EBADF (Bad file descriptor) [pid 302] close(17) = -1 EBADF (Bad file descriptor) [pid 302] close(18) = -1 EBADF (Bad file descriptor) [pid 302] close(19) = -1 EBADF (Bad file descriptor) [pid 302] close(20) = -1 EBADF (Bad file descriptor) [pid 302] close(21) = -1 EBADF (Bad file descriptor) [pid 302] close(22) = -1 EBADF (Bad file descriptor) [pid 302] close(23) = -1 EBADF (Bad file descriptor) [pid 302] close(24) = -1 EBADF (Bad file descriptor) [pid 302] close(25) = -1 EBADF (Bad file descriptor) [pid 302] close(26) = -1 EBADF (Bad file descriptor) [pid 302] close(27) = -1 EBADF (Bad file descriptor) [pid 302] close(28) = -1 EBADF (Bad file descriptor) [pid 302] close(29) = -1 EBADF (Bad file descriptor) [pid 302] exit_group(0) = ? [pid 302] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4/binderfs") = 0 [pid 297] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4/cgroup.net") = 0 [pid 297] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4/cgroup.cpu") = 0 [pid 297] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4") = 0 [pid 297] mkdir("./5", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 303 attached , child_tidptr=0x555565b1f650) = 7 [pid 303] set_robust_list(0x555565b1f660, 24) = 0 [pid 303] chdir("./5") = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 303] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 303] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] symlink("/dev/binderfs", "./binderfs") = 0 [pid 303] write(1, "executing program\n", 18executing program ) = 18 [pid 303] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 303] close(3) = -1 EBADF (Bad file descriptor) [pid 303] close(4) = -1 EBADF (Bad file descriptor) [pid 303] close(5) = -1 EBADF (Bad file descriptor) [pid 303] close(6) = -1 EBADF (Bad file descriptor) [pid 303] close(7) = -1 EBADF (Bad file descriptor) [pid 303] close(8) = -1 EBADF (Bad file descriptor) [pid 303] close(9) = -1 EBADF (Bad file descriptor) [pid 303] close(10) = -1 EBADF (Bad file descriptor) [pid 303] close(11) = -1 EBADF (Bad file descriptor) [pid 303] close(12) = -1 EBADF (Bad file descriptor) [pid 303] close(13) = -1 EBADF (Bad file descriptor) [pid 303] close(14) = -1 EBADF (Bad file descriptor) [pid 303] close(15) = -1 EBADF (Bad file descriptor) [pid 303] close(16) = -1 EBADF (Bad file descriptor) [pid 303] close(17) = -1 EBADF (Bad file descriptor) [pid 303] close(18) = -1 EBADF (Bad file descriptor) [pid 303] close(19) = -1 EBADF (Bad file descriptor) [pid 303] close(20) = -1 EBADF (Bad file descriptor) [pid 303] close(21) = -1 EBADF (Bad file descriptor) [pid 303] close(22) = -1 EBADF (Bad file descriptor) [pid 303] close(23) = -1 EBADF (Bad file descriptor) [pid 303] close(24) = -1 EBADF (Bad file descriptor) [pid 303] close(25) = -1 EBADF (Bad file descriptor) [pid 303] close(26) = -1 EBADF (Bad file descriptor) [pid 303] close(27) = -1 EBADF (Bad file descriptor) [pid 303] close(28) = -1 EBADF (Bad file descriptor) [pid 303] close(29) = -1 EBADF (Bad file descriptor) [pid 303] exit_group(0) = ? [pid 303] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./5/binderfs") = 0 [pid 297] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./5/cgroup.net") = 0 [pid 297] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./5/cgroup.cpu") = 0 [pid 297] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./5/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./5") = 0 [pid 297] mkdir("./6", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555565b1f660, 24) = 0 [pid 304] chdir("./6") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 8 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 304] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 304] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 304] write(1, "executing program\n", 18) = 18 [ 23.548714][ T302] incfs: Error allocating mount info. -12 [ 23.554464][ T302] incfs: mount failed -12 [ 23.575092][ T303] incfs: Error allocating mount info. -12 [ 23.580924][ T303] incfs: mount failed -12 [pid 304] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 304] close(3) = -1 EBADF (Bad file descriptor) [pid 304] close(4) = -1 EBADF (Bad file descriptor) [pid 304] close(5) = -1 EBADF (Bad file descriptor) [pid 304] close(6) = -1 EBADF (Bad file descriptor) [pid 304] close(7) = -1 EBADF (Bad file descriptor) [pid 304] close(8) = -1 EBADF (Bad file descriptor) [pid 304] close(9) = -1 EBADF (Bad file descriptor) [pid 304] close(10) = -1 EBADF (Bad file descriptor) [pid 304] close(11) = -1 EBADF (Bad file descriptor) [pid 304] close(12) = -1 EBADF (Bad file descriptor) [pid 304] close(13) = -1 EBADF (Bad file descriptor) [pid 304] close(14) = -1 EBADF (Bad file descriptor) [pid 304] close(15) = -1 EBADF (Bad file descriptor) [pid 304] close(16) = -1 EBADF (Bad file descriptor) [pid 304] close(17) = -1 EBADF (Bad file descriptor) [pid 304] close(18) = -1 EBADF (Bad file descriptor) [pid 304] close(19) = -1 EBADF (Bad file descriptor) [pid 304] close(20) = -1 EBADF (Bad file descriptor) [pid 304] close(21) = -1 EBADF (Bad file descriptor) [pid 304] close(22) = -1 EBADF (Bad file descriptor) [pid 304] close(23) = -1 EBADF (Bad file descriptor) [pid 304] close(24) = -1 EBADF (Bad file descriptor) [pid 304] close(25) = -1 EBADF (Bad file descriptor) [pid 304] close(26) = -1 EBADF (Bad file descriptor) [pid 304] close(27) = -1 EBADF (Bad file descriptor) [pid 304] close(28) = -1 EBADF (Bad file descriptor) [pid 304] close(29) = -1 EBADF (Bad file descriptor) [pid 304] exit_group(0) = ? [pid 304] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./6/binderfs") = 0 [pid 297] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./6/cgroup.net") = 0 [pid 297] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./6/cgroup.cpu") = 0 [pid 297] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./6/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./6") = 0 [pid 297] mkdir("./7", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 9 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x555565b1f660, 24) = 0 [pid 305] chdir("./7") = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 305] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 305] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 executing program [pid 305] symlink("/dev/binderfs", "./binderfs") = 0 [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 305] close(3) = -1 EBADF (Bad file descriptor) [pid 305] close(4) = -1 EBADF (Bad file descriptor) [pid 305] close(5) = -1 EBADF (Bad file descriptor) [pid 305] close(6) = -1 EBADF (Bad file descriptor) [pid 305] close(7) = -1 EBADF (Bad file descriptor) [pid 305] close(8) = -1 EBADF (Bad file descriptor) [pid 305] close(9) = -1 EBADF (Bad file descriptor) [pid 305] close(10) = -1 EBADF (Bad file descriptor) [pid 305] close(11) = -1 EBADF (Bad file descriptor) [pid 305] close(12) = -1 EBADF (Bad file descriptor) [pid 305] close(13) = -1 EBADF (Bad file descriptor) [pid 305] close(14) = -1 EBADF (Bad file descriptor) [pid 305] close(15) = -1 EBADF (Bad file descriptor) [pid 305] close(16) = -1 EBADF (Bad file descriptor) [pid 305] close(17) = -1 EBADF (Bad file descriptor) [pid 305] close(18) = -1 EBADF (Bad file descriptor) [pid 305] close(19) = -1 EBADF (Bad file descriptor) [pid 305] close(20) = -1 EBADF (Bad file descriptor) [pid 305] close(21) = -1 EBADF (Bad file descriptor) [pid 305] close(22) = -1 EBADF (Bad file descriptor) [pid 305] close(23) = -1 EBADF (Bad file descriptor) [pid 305] close(24) = -1 EBADF (Bad file descriptor) [pid 305] close(25) = -1 EBADF (Bad file descriptor) [pid 305] close(26) = -1 EBADF (Bad file descriptor) [pid 305] close(27) = -1 EBADF (Bad file descriptor) [pid 305] close(28) = -1 EBADF (Bad file descriptor) [pid 305] close(29) = -1 EBADF (Bad file descriptor) [pid 305] exit_group(0) = ? [pid 305] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./7/binderfs") = 0 [pid 297] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./7/cgroup.net") = 0 [pid 297] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./7/cgroup.cpu") = 0 [pid 297] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./7/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./7") = 0 [pid 297] mkdir("./8", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 306 attached , child_tidptr=0x555565b1f650) = 10 [pid 306] set_robust_list(0x555565b1f660, 24) = 0 [pid 306] chdir("./8") = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 306] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 306] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 23.599863][ T304] incfs: Error allocating mount info. -12 [ 23.605608][ T304] incfs: mount failed -12 [ 23.627332][ T305] incfs: Error allocating mount info. -12 [ 23.633130][ T305] incfs: mount failed -12 [pid 306] write(1, "executing program\n", 18) = 18 [pid 306] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 306] close(3) = -1 EBADF (Bad file descriptor) [pid 306] close(4) = -1 EBADF (Bad file descriptor) [pid 306] close(5) = -1 EBADF (Bad file descriptor) [pid 306] close(6) = -1 EBADF (Bad file descriptor) [pid 306] close(7) = -1 EBADF (Bad file descriptor) [pid 306] close(8) = -1 EBADF (Bad file descriptor) [pid 306] close(9) = -1 EBADF (Bad file descriptor) [pid 306] close(10) = -1 EBADF (Bad file descriptor) [pid 306] close(11) = -1 EBADF (Bad file descriptor) [pid 306] close(12) = -1 EBADF (Bad file descriptor) [pid 306] close(13) = -1 EBADF (Bad file descriptor) [pid 306] close(14) = -1 EBADF (Bad file descriptor) [pid 306] close(15) = -1 EBADF (Bad file descriptor) [pid 306] close(16) = -1 EBADF (Bad file descriptor) [pid 306] close(17) = -1 EBADF (Bad file descriptor) [pid 306] close(18) = -1 EBADF (Bad file descriptor) [pid 306] close(19) = -1 EBADF (Bad file descriptor) [pid 306] close(20) = -1 EBADF (Bad file descriptor) [pid 306] close(21) = -1 EBADF (Bad file descriptor) [pid 306] close(22) = -1 EBADF (Bad file descriptor) [pid 306] close(23) = -1 EBADF (Bad file descriptor) [pid 306] close(24) = -1 EBADF (Bad file descriptor) [pid 306] close(25) = -1 EBADF (Bad file descriptor) [pid 306] close(26) = -1 EBADF (Bad file descriptor) [pid 306] close(27) = -1 EBADF (Bad file descriptor) [pid 306] close(28) = -1 EBADF (Bad file descriptor) [pid 306] close(29) = -1 EBADF (Bad file descriptor) [pid 306] exit_group(0) = ? [pid 306] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./8/binderfs") = 0 [pid 297] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./8/cgroup.net") = 0 [pid 297] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./8/cgroup.cpu") = 0 [pid 297] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./8/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./8") = 0 [pid 297] mkdir("./9", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 307 attached , child_tidptr=0x555565b1f650) = 11 [pid 307] set_robust_list(0x555565b1f660, 24) = 0 [pid 307] chdir("./9") = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 307] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 307] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 307] close(3) = -1 EBADF (Bad file descriptor) [pid 307] close(4) = -1 EBADF (Bad file descriptor) [pid 307] close(5) = -1 EBADF (Bad file descriptor) [pid 307] close(6) = -1 EBADF (Bad file descriptor) [pid 307] close(7) = -1 EBADF (Bad file descriptor) [pid 307] close(8) = -1 EBADF (Bad file descriptor) [pid 307] close(9) = -1 EBADF (Bad file descriptor) [pid 307] close(10) = -1 EBADF (Bad file descriptor) [pid 307] close(11) = -1 EBADF (Bad file descriptor) [pid 307] close(12) = -1 EBADF (Bad file descriptor) [pid 307] close(13) = -1 EBADF (Bad file descriptor) [pid 307] close(14) = -1 EBADF (Bad file descriptor) [pid 307] close(15) = -1 EBADF (Bad file descriptor) [pid 307] close(16) = -1 EBADF (Bad file descriptor) [pid 307] close(17) = -1 EBADF (Bad file descriptor) [pid 307] close(18) = -1 EBADF (Bad file descriptor) [pid 307] close(19) = -1 EBADF (Bad file descriptor) [pid 307] close(20) = -1 EBADF (Bad file descriptor) [pid 307] close(21) = -1 EBADF (Bad file descriptor) [pid 307] close(22) = -1 EBADF (Bad file descriptor) [pid 307] close(23) = -1 EBADF (Bad file descriptor) [pid 307] close(24) = -1 EBADF (Bad file descriptor) [pid 307] close(25) = -1 EBADF (Bad file descriptor) [pid 307] close(26) = -1 EBADF (Bad file descriptor) [pid 307] close(27) = -1 EBADF (Bad file descriptor) [pid 307] close(28) = -1 EBADF (Bad file descriptor) [pid 307] close(29) = -1 EBADF (Bad file descriptor) [pid 307] exit_group(0) = ? [pid 307] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./9/binderfs") = 0 [pid 297] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./9/cgroup.net") = 0 [pid 297] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./9/cgroup.cpu") = 0 [pid 297] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./9/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./9") = 0 [pid 297] mkdir("./10", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 12 [pid 308] chdir("./10") = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 308] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 308] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 308] write(1, "executing program\n", 18) = 18 [ 23.653570][ T306] incfs: Error allocating mount info. -12 [ 23.659386][ T306] incfs: mount failed -12 [ 23.682871][ T307] incfs: Error allocating mount info. -12 [ 23.688713][ T307] incfs: mount failed -12 [pid 308] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 308] close(3) = -1 EBADF (Bad file descriptor) [pid 308] close(4) = -1 EBADF (Bad file descriptor) [pid 308] close(5) = -1 EBADF (Bad file descriptor) [pid 308] close(6) = -1 EBADF (Bad file descriptor) [pid 308] close(7) = -1 EBADF (Bad file descriptor) [pid 308] close(8) = -1 EBADF (Bad file descriptor) [pid 308] close(9) = -1 EBADF (Bad file descriptor) [pid 308] close(10) = -1 EBADF (Bad file descriptor) [pid 308] close(11) = -1 EBADF (Bad file descriptor) [pid 308] close(12) = -1 EBADF (Bad file descriptor) [pid 308] close(13) = -1 EBADF (Bad file descriptor) [pid 308] close(14) = -1 EBADF (Bad file descriptor) [pid 308] close(15) = -1 EBADF (Bad file descriptor) [pid 308] close(16) = -1 EBADF (Bad file descriptor) [pid 308] close(17) = -1 EBADF (Bad file descriptor) [pid 308] close(18) = -1 EBADF (Bad file descriptor) [pid 308] close(19) = -1 EBADF (Bad file descriptor) [pid 308] close(20) = -1 EBADF (Bad file descriptor) [pid 308] close(21) = -1 EBADF (Bad file descriptor) [pid 308] close(22) = -1 EBADF (Bad file descriptor) [pid 308] close(23) = -1 EBADF (Bad file descriptor) [pid 308] close(24) = -1 EBADF (Bad file descriptor) [pid 308] close(25) = -1 EBADF (Bad file descriptor) [pid 308] close(26) = -1 EBADF (Bad file descriptor) [pid 308] close(27) = -1 EBADF (Bad file descriptor) [pid 308] close(28) = -1 EBADF (Bad file descriptor) [pid 308] close(29) = -1 EBADF (Bad file descriptor) [pid 308] exit_group(0) = ? [pid 308] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./10/binderfs") = 0 [pid 297] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./10/cgroup.net") = 0 [pid 297] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./10/cgroup.cpu") = 0 [pid 297] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./10/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./10") = 0 [pid 297] mkdir("./11", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x555565b1f660, 24) = 0 [pid 309] chdir("./11" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 13 [pid 309] <... chdir resumed>) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 309] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 309] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] write(1, "executing program\n", 18) = 18 [pid 309] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 309] close(3) = -1 EBADF (Bad file descriptor) [pid 309] close(4) = -1 EBADF (Bad file descriptor) [pid 309] close(5) = -1 EBADF (Bad file descriptor) [pid 309] close(6) = -1 EBADF (Bad file descriptor) [pid 309] close(7) = -1 EBADF (Bad file descriptor) [pid 309] close(8) = -1 EBADF (Bad file descriptor) [pid 309] close(9) = -1 EBADF (Bad file descriptor) [pid 309] close(10) = -1 EBADF (Bad file descriptor) [pid 309] close(11) = -1 EBADF (Bad file descriptor) [pid 309] close(12) = -1 EBADF (Bad file descriptor) [pid 309] close(13) = -1 EBADF (Bad file descriptor) [pid 309] close(14) = -1 EBADF (Bad file descriptor) [pid 309] close(15) = -1 EBADF (Bad file descriptor) [pid 309] close(16) = -1 EBADF (Bad file descriptor) [pid 309] close(17) = -1 EBADF (Bad file descriptor) [pid 309] close(18) = -1 EBADF (Bad file descriptor) [pid 309] close(19) = -1 EBADF (Bad file descriptor) [pid 309] close(20) = -1 EBADF (Bad file descriptor) [pid 309] close(21) = -1 EBADF (Bad file descriptor) [pid 309] close(22) = -1 EBADF (Bad file descriptor) [pid 309] close(23) = -1 EBADF (Bad file descriptor) [pid 309] close(24) = -1 EBADF (Bad file descriptor) [pid 309] close(25) = -1 EBADF (Bad file descriptor) [pid 309] close(26) = -1 EBADF (Bad file descriptor) [pid 309] close(27) = -1 EBADF (Bad file descriptor) [pid 309] close(28) = -1 EBADF (Bad file descriptor) [pid 309] close(29) = -1 EBADF (Bad file descriptor) [pid 309] exit_group(0) = ? [pid 309] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./11/binderfs") = 0 [pid 297] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./11/cgroup.net") = 0 [pid 297] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./11/cgroup.cpu") = 0 [pid 297] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./11/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./11") = 0 [pid 297] mkdir("./12", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 310 attached , child_tidptr=0x555565b1f650) = 14 [pid 310] set_robust_list(0x555565b1f660, 24) = 0 [pid 310] chdir("./12") = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 310] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 310] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 310] write(1, "executing program\n", 18) = 18 [ 23.711379][ T308] incfs: Error allocating mount info. -12 [ 23.717125][ T308] incfs: mount failed -12 [ 23.738310][ T309] incfs: Error allocating mount info. -12 [ 23.744156][ T309] incfs: mount failed -12 [pid 310] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 310] close(3) = -1 EBADF (Bad file descriptor) [pid 310] close(4) = -1 EBADF (Bad file descriptor) [pid 310] close(5) = -1 EBADF (Bad file descriptor) [pid 310] close(6) = -1 EBADF (Bad file descriptor) [pid 310] close(7) = -1 EBADF (Bad file descriptor) [pid 310] close(8) = -1 EBADF (Bad file descriptor) [pid 310] close(9) = -1 EBADF (Bad file descriptor) [pid 310] close(10) = -1 EBADF (Bad file descriptor) [pid 310] close(11) = -1 EBADF (Bad file descriptor) [pid 310] close(12) = -1 EBADF (Bad file descriptor) [pid 310] close(13) = -1 EBADF (Bad file descriptor) [pid 310] close(14) = -1 EBADF (Bad file descriptor) [pid 310] close(15) = -1 EBADF (Bad file descriptor) [pid 310] close(16) = -1 EBADF (Bad file descriptor) [pid 310] close(17) = -1 EBADF (Bad file descriptor) [pid 310] close(18) = -1 EBADF (Bad file descriptor) [pid 310] close(19) = -1 EBADF (Bad file descriptor) [pid 310] close(20) = -1 EBADF (Bad file descriptor) [pid 310] close(21) = -1 EBADF (Bad file descriptor) [pid 310] close(22) = -1 EBADF (Bad file descriptor) [pid 310] close(23) = -1 EBADF (Bad file descriptor) [pid 310] close(24) = -1 EBADF (Bad file descriptor) [pid 310] close(25) = -1 EBADF (Bad file descriptor) [pid 310] close(26) = -1 EBADF (Bad file descriptor) [pid 310] close(27) = -1 EBADF (Bad file descriptor) [pid 310] close(28) = -1 EBADF (Bad file descriptor) [pid 310] close(29) = -1 EBADF (Bad file descriptor) [pid 310] exit_group(0) = ? [pid 310] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./12/binderfs") = 0 [pid 297] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./12/cgroup.net") = 0 [pid 297] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./12/cgroup.cpu") = 0 [pid 297] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./12/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./12") = 0 [pid 297] mkdir("./13", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 15 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x555565b1f660, 24) = 0 [pid 311] chdir("./13") = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 311] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 311] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] write(1, "executing program\n", 18executing program ) = 18 [pid 311] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 311] close(3) = -1 EBADF (Bad file descriptor) [pid 311] close(4) = -1 EBADF (Bad file descriptor) [pid 311] close(5) = -1 EBADF (Bad file descriptor) [pid 311] close(6) = -1 EBADF (Bad file descriptor) [pid 311] close(7) = -1 EBADF (Bad file descriptor) [pid 311] close(8) = -1 EBADF (Bad file descriptor) [pid 311] close(9) = -1 EBADF (Bad file descriptor) [pid 311] close(10) = -1 EBADF (Bad file descriptor) [pid 311] close(11) = -1 EBADF (Bad file descriptor) [pid 311] close(12) = -1 EBADF (Bad file descriptor) [pid 311] close(13) = -1 EBADF (Bad file descriptor) [pid 311] close(14) = -1 EBADF (Bad file descriptor) [pid 311] close(15) = -1 EBADF (Bad file descriptor) [pid 311] close(16) = -1 EBADF (Bad file descriptor) [pid 311] close(17) = -1 EBADF (Bad file descriptor) [pid 311] close(18) = -1 EBADF (Bad file descriptor) [pid 311] close(19) = -1 EBADF (Bad file descriptor) [pid 311] close(20) = -1 EBADF (Bad file descriptor) [pid 311] close(21) = -1 EBADF (Bad file descriptor) [pid 311] close(22) = -1 EBADF (Bad file descriptor) [pid 311] close(23) = -1 EBADF (Bad file descriptor) [pid 311] close(24) = -1 EBADF (Bad file descriptor) [pid 311] close(25) = -1 EBADF (Bad file descriptor) [pid 311] close(26) = -1 EBADF (Bad file descriptor) [pid 311] close(27) = -1 EBADF (Bad file descriptor) [pid 311] close(28) = -1 EBADF (Bad file descriptor) [pid 311] close(29) = -1 EBADF (Bad file descriptor) [pid 311] exit_group(0) = ? [pid 311] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./13/binderfs") = 0 [pid 297] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./13/cgroup.net") = 0 [pid 297] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./13/cgroup.cpu") = 0 [pid 297] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./13/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./13") = 0 [pid 297] mkdir("./14", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 312 attached , child_tidptr=0x555565b1f650) = 16 [pid 312] set_robust_list(0x555565b1f660, 24) = 0 [pid 312] chdir("./14") = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 312] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 312] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 312] write(1, "executing program\n", 18) = 18 [ 23.768964][ T310] incfs: Error allocating mount info. -12 [ 23.774712][ T310] incfs: mount failed -12 [ 23.796999][ T311] incfs: Error allocating mount info. -12 [ 23.802845][ T311] incfs: mount failed -12 [pid 312] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 312] close(3) = -1 EBADF (Bad file descriptor) [pid 312] close(4) = -1 EBADF (Bad file descriptor) [pid 312] close(5) = -1 EBADF (Bad file descriptor) [pid 312] close(6) = -1 EBADF (Bad file descriptor) [pid 312] close(7) = -1 EBADF (Bad file descriptor) [pid 312] close(8) = -1 EBADF (Bad file descriptor) [pid 312] close(9) = -1 EBADF (Bad file descriptor) [pid 312] close(10) = -1 EBADF (Bad file descriptor) [pid 312] close(11) = -1 EBADF (Bad file descriptor) [pid 312] close(12) = -1 EBADF (Bad file descriptor) [pid 312] close(13) = -1 EBADF (Bad file descriptor) [pid 312] close(14) = -1 EBADF (Bad file descriptor) [pid 312] close(15) = -1 EBADF (Bad file descriptor) [pid 312] close(16) = -1 EBADF (Bad file descriptor) [pid 312] close(17) = -1 EBADF (Bad file descriptor) [pid 312] close(18) = -1 EBADF (Bad file descriptor) [pid 312] close(19) = -1 EBADF (Bad file descriptor) [pid 312] close(20) = -1 EBADF (Bad file descriptor) [pid 312] close(21) = -1 EBADF (Bad file descriptor) [pid 312] close(22) = -1 EBADF (Bad file descriptor) [pid 312] close(23) = -1 EBADF (Bad file descriptor) [pid 312] close(24) = -1 EBADF (Bad file descriptor) [pid 312] close(25) = -1 EBADF (Bad file descriptor) [pid 312] close(26) = -1 EBADF (Bad file descriptor) [pid 312] close(27) = -1 EBADF (Bad file descriptor) [pid 312] close(28) = -1 EBADF (Bad file descriptor) [pid 312] close(29) = -1 EBADF (Bad file descriptor) [pid 312] exit_group(0) = ? [pid 312] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./14/binderfs") = 0 [pid 297] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./14/cgroup.net") = 0 [pid 297] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./14/cgroup.cpu") = 0 [pid 297] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./14/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./14") = 0 [pid 297] mkdir("./15", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 313 attached , child_tidptr=0x555565b1f650) = 17 [pid 313] set_robust_list(0x555565b1f660, 24) = 0 [pid 313] chdir("./15") = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 313] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 313] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 [pid 313] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 313] close(3) = -1 EBADF (Bad file descriptor) [pid 313] close(4) = -1 EBADF (Bad file descriptor) [pid 313] close(5) = -1 EBADF (Bad file descriptor) [pid 313] close(6) = -1 EBADF (Bad file descriptor) [pid 313] close(7) = -1 EBADF (Bad file descriptor) [pid 313] close(8) = -1 EBADF (Bad file descriptor) [pid 313] close(9) = -1 EBADF (Bad file descriptor) [pid 313] close(10) = -1 EBADF (Bad file descriptor) [pid 313] close(11) = -1 EBADF (Bad file descriptor) [pid 313] close(12) = -1 EBADF (Bad file descriptor) [pid 313] close(13) = -1 EBADF (Bad file descriptor) [pid 313] close(14) = -1 EBADF (Bad file descriptor) [pid 313] close(15) = -1 EBADF (Bad file descriptor) [pid 313] close(16) = -1 EBADF (Bad file descriptor) [pid 313] close(17) = -1 EBADF (Bad file descriptor) [pid 313] close(18) = -1 EBADF (Bad file descriptor) [pid 313] close(19) = -1 EBADF (Bad file descriptor) [pid 313] close(20) = -1 EBADF (Bad file descriptor) [pid 313] close(21) = -1 EBADF (Bad file descriptor) [pid 313] close(22) = -1 EBADF (Bad file descriptor) [pid 313] close(23) = -1 EBADF (Bad file descriptor) [pid 313] close(24) = -1 EBADF (Bad file descriptor) [pid 313] close(25) = -1 EBADF (Bad file descriptor) [pid 313] close(26) = -1 EBADF (Bad file descriptor) [pid 313] close(27) = -1 EBADF (Bad file descriptor) [pid 313] close(28) = -1 EBADF (Bad file descriptor) [pid 313] close(29) = -1 EBADF (Bad file descriptor) [pid 313] exit_group(0) = ? [pid 313] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./15/binderfs") = 0 [pid 297] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./15/cgroup.net") = 0 [pid 297] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./15/cgroup.cpu") = 0 [pid 297] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./15/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./15") = 0 [pid 297] mkdir("./16", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 314 attached , child_tidptr=0x555565b1f650) = 18 [pid 314] set_robust_list(0x555565b1f660, 24) = 0 [pid 314] chdir("./16") = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 314] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 314] write(1, "executing program\n", 18) = 18 [ 23.826770][ T312] incfs: Error allocating mount info. -12 [ 23.832537][ T312] incfs: mount failed -12 [ 23.855594][ T313] incfs: Error allocating mount info. -12 [ 23.861370][ T313] incfs: mount failed -12 [pid 314] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 314] close(3) = -1 EBADF (Bad file descriptor) [pid 314] close(4) = -1 EBADF (Bad file descriptor) [pid 314] close(5) = -1 EBADF (Bad file descriptor) [pid 314] close(6) = -1 EBADF (Bad file descriptor) [pid 314] close(7) = -1 EBADF (Bad file descriptor) [pid 314] close(8) = -1 EBADF (Bad file descriptor) [pid 314] close(9) = -1 EBADF (Bad file descriptor) [pid 314] close(10) = -1 EBADF (Bad file descriptor) [pid 314] close(11) = -1 EBADF (Bad file descriptor) [pid 314] close(12) = -1 EBADF (Bad file descriptor) [pid 314] close(13) = -1 EBADF (Bad file descriptor) [pid 314] close(14) = -1 EBADF (Bad file descriptor) [pid 314] close(15) = -1 EBADF (Bad file descriptor) [pid 314] close(16) = -1 EBADF (Bad file descriptor) [pid 314] close(17) = -1 EBADF (Bad file descriptor) [pid 314] close(18) = -1 EBADF (Bad file descriptor) [pid 314] close(19) = -1 EBADF (Bad file descriptor) [pid 314] close(20) = -1 EBADF (Bad file descriptor) [pid 314] close(21) = -1 EBADF (Bad file descriptor) [pid 314] close(22) = -1 EBADF (Bad file descriptor) [pid 314] close(23) = -1 EBADF (Bad file descriptor) [pid 314] close(24) = -1 EBADF (Bad file descriptor) [pid 314] close(25) = -1 EBADF (Bad file descriptor) [pid 314] close(26) = -1 EBADF (Bad file descriptor) [pid 314] close(27) = -1 EBADF (Bad file descriptor) [pid 314] close(28) = -1 EBADF (Bad file descriptor) [pid 314] close(29) = -1 EBADF (Bad file descriptor) [pid 314] exit_group(0) = ? [pid 314] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./16/binderfs") = 0 [pid 297] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./16/cgroup.net") = 0 [pid 297] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./16/cgroup.cpu") = 0 [pid 297] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./16/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./16") = 0 [pid 297] mkdir("./17", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 315 attached , child_tidptr=0x555565b1f650) = 19 [pid 315] set_robust_list(0x555565b1f660, 24) = 0 [pid 315] chdir("./17") = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 315] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 315] write(1, "executing program\n", 18) = 18 [pid 315] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 315] close(3) = -1 EBADF (Bad file descriptor) [pid 315] close(4) = -1 EBADF (Bad file descriptor) [pid 315] close(5) = -1 EBADF (Bad file descriptor) [pid 315] close(6) = -1 EBADF (Bad file descriptor) [pid 315] close(7) = -1 EBADF (Bad file descriptor) [pid 315] close(8) = -1 EBADF (Bad file descriptor) [pid 315] close(9) = -1 EBADF (Bad file descriptor) [pid 315] close(10) = -1 EBADF (Bad file descriptor) [pid 315] close(11) = -1 EBADF (Bad file descriptor) [pid 315] close(12) = -1 EBADF (Bad file descriptor) [pid 315] close(13) = -1 EBADF (Bad file descriptor) [pid 315] close(14) = -1 EBADF (Bad file descriptor) [pid 315] close(15) = -1 EBADF (Bad file descriptor) [pid 315] close(16) = -1 EBADF (Bad file descriptor) [pid 315] close(17) = -1 EBADF (Bad file descriptor) [pid 315] close(18) = -1 EBADF (Bad file descriptor) [pid 315] close(19) = -1 EBADF (Bad file descriptor) [pid 315] close(20) = -1 EBADF (Bad file descriptor) [pid 315] close(21) = -1 EBADF (Bad file descriptor) [pid 315] close(22) = -1 EBADF (Bad file descriptor) [pid 315] close(23) = -1 EBADF (Bad file descriptor) [pid 315] close(24) = -1 EBADF (Bad file descriptor) [pid 315] close(25) = -1 EBADF (Bad file descriptor) [pid 315] close(26) = -1 EBADF (Bad file descriptor) [pid 315] close(27) = -1 EBADF (Bad file descriptor) [pid 315] close(28) = -1 EBADF (Bad file descriptor) [pid 315] close(29) = -1 EBADF (Bad file descriptor) [pid 315] exit_group(0) = ? [pid 315] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./17/binderfs") = 0 [pid 297] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./17/cgroup.net") = 0 [pid 297] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./17/cgroup.cpu") = 0 [pid 297] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./17/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./17") = 0 [pid 297] mkdir("./18", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 20 ./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x555565b1f660, 24) = 0 [pid 316] chdir("./18") = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 316] setpgid(0, 0) = 0 [pid 316] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 316] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 316] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 316] write(1, "executing program\n", 18) = 18 [ 23.883385][ T314] incfs: Error allocating mount info. -12 [ 23.889203][ T314] incfs: mount failed -12 [ 23.912565][ T315] incfs: Error allocating mount info. -12 [ 23.918303][ T315] incfs: mount failed -12 [pid 316] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 316] close(3) = -1 EBADF (Bad file descriptor) [pid 316] close(4) = -1 EBADF (Bad file descriptor) [pid 316] close(5) = -1 EBADF (Bad file descriptor) [pid 316] close(6) = -1 EBADF (Bad file descriptor) [pid 316] close(7) = -1 EBADF (Bad file descriptor) [pid 316] close(8) = -1 EBADF (Bad file descriptor) [pid 316] close(9) = -1 EBADF (Bad file descriptor) [pid 316] close(10) = -1 EBADF (Bad file descriptor) [pid 316] close(11) = -1 EBADF (Bad file descriptor) [pid 316] close(12) = -1 EBADF (Bad file descriptor) [pid 316] close(13) = -1 EBADF (Bad file descriptor) [pid 316] close(14) = -1 EBADF (Bad file descriptor) [pid 316] close(15) = -1 EBADF (Bad file descriptor) [pid 316] close(16) = -1 EBADF (Bad file descriptor) [pid 316] close(17) = -1 EBADF (Bad file descriptor) [pid 316] close(18) = -1 EBADF (Bad file descriptor) [pid 316] close(19) = -1 EBADF (Bad file descriptor) [pid 316] close(20) = -1 EBADF (Bad file descriptor) [pid 316] close(21) = -1 EBADF (Bad file descriptor) [pid 316] close(22) = -1 EBADF (Bad file descriptor) [pid 316] close(23) = -1 EBADF (Bad file descriptor) [pid 316] close(24) = -1 EBADF (Bad file descriptor) [pid 316] close(25) = -1 EBADF (Bad file descriptor) [pid 316] close(26) = -1 EBADF (Bad file descriptor) [pid 316] close(27) = -1 EBADF (Bad file descriptor) [pid 316] close(28) = -1 EBADF (Bad file descriptor) [pid 316] close(29) = -1 EBADF (Bad file descriptor) [pid 316] exit_group(0) = ? [pid 316] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./18/binderfs") = 0 [pid 297] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./18/cgroup.net") = 0 [pid 297] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./18/cgroup.cpu") = 0 [pid 297] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./18/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./18") = 0 [pid 297] mkdir("./19", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 21 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x555565b1f660, 24) = 0 [pid 317] chdir("./19") = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 317] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 317] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 [pid 317] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 317] close(3) = -1 EBADF (Bad file descriptor) [pid 317] close(4) = -1 EBADF (Bad file descriptor) [pid 317] close(5) = -1 EBADF (Bad file descriptor) [pid 317] close(6) = -1 EBADF (Bad file descriptor) [pid 317] close(7) = -1 EBADF (Bad file descriptor) [pid 317] close(8) = -1 EBADF (Bad file descriptor) [pid 317] close(9) = -1 EBADF (Bad file descriptor) [pid 317] close(10) = -1 EBADF (Bad file descriptor) [pid 317] close(11) = -1 EBADF (Bad file descriptor) [pid 317] close(12) = -1 EBADF (Bad file descriptor) [pid 317] close(13) = -1 EBADF (Bad file descriptor) [pid 317] close(14) = -1 EBADF (Bad file descriptor) [pid 317] close(15) = -1 EBADF (Bad file descriptor) [pid 317] close(16) = -1 EBADF (Bad file descriptor) [pid 317] close(17) = -1 EBADF (Bad file descriptor) [pid 317] close(18) = -1 EBADF (Bad file descriptor) [pid 317] close(19) = -1 EBADF (Bad file descriptor) [pid 317] close(20) = -1 EBADF (Bad file descriptor) [pid 317] close(21) = -1 EBADF (Bad file descriptor) [pid 317] close(22) = -1 EBADF (Bad file descriptor) [pid 317] close(23) = -1 EBADF (Bad file descriptor) [pid 317] close(24) = -1 EBADF (Bad file descriptor) [pid 317] close(25) = -1 EBADF (Bad file descriptor) [pid 317] close(26) = -1 EBADF (Bad file descriptor) [pid 317] close(27) = -1 EBADF (Bad file descriptor) [pid 317] close(28) = -1 EBADF (Bad file descriptor) [pid 317] close(29) = -1 EBADF (Bad file descriptor) [pid 317] exit_group(0) = ? [pid 317] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./19/binderfs") = 0 [pid 297] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./19/cgroup.net") = 0 [pid 297] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./19/cgroup.cpu") = 0 [pid 297] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./19/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./19") = 0 [pid 297] mkdir("./20", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 22 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x555565b1f660, 24) = 0 [pid 318] chdir("./20") = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 318] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 [pid 318] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 23.937919][ T316] incfs: Error allocating mount info. -12 [ 23.943730][ T316] incfs: mount failed -12 [ 23.966439][ T317] incfs: Error allocating mount info. -12 [ 23.972252][ T317] incfs: mount failed -12 [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 318] close(3) = -1 EBADF (Bad file descriptor) [pid 318] close(4) = -1 EBADF (Bad file descriptor) [pid 318] close(5) = -1 EBADF (Bad file descriptor) [pid 318] close(6) = -1 EBADF (Bad file descriptor) [pid 318] close(7) = -1 EBADF (Bad file descriptor) [pid 318] close(8) = -1 EBADF (Bad file descriptor) [pid 318] close(9) = -1 EBADF (Bad file descriptor) [pid 318] close(10) = -1 EBADF (Bad file descriptor) [pid 318] close(11) = -1 EBADF (Bad file descriptor) [pid 318] close(12) = -1 EBADF (Bad file descriptor) [pid 318] close(13) = -1 EBADF (Bad file descriptor) [pid 318] close(14) = -1 EBADF (Bad file descriptor) [pid 318] close(15) = -1 EBADF (Bad file descriptor) [pid 318] close(16) = -1 EBADF (Bad file descriptor) [pid 318] close(17) = -1 EBADF (Bad file descriptor) [pid 318] close(18) = -1 EBADF (Bad file descriptor) [pid 318] close(19) = -1 EBADF (Bad file descriptor) [pid 318] close(20) = -1 EBADF (Bad file descriptor) [pid 318] close(21) = -1 EBADF (Bad file descriptor) [pid 318] close(22) = -1 EBADF (Bad file descriptor) [pid 318] close(23) = -1 EBADF (Bad file descriptor) [pid 318] close(24) = -1 EBADF (Bad file descriptor) [pid 318] close(25) = -1 EBADF (Bad file descriptor) [pid 318] close(26) = -1 EBADF (Bad file descriptor) [pid 318] close(27) = -1 EBADF (Bad file descriptor) [pid 318] close(28) = -1 EBADF (Bad file descriptor) [pid 318] close(29) = -1 EBADF (Bad file descriptor) [pid 318] exit_group(0) = ? [pid 318] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./20/binderfs") = 0 [pid 297] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./20/cgroup.net") = 0 [pid 297] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./20/cgroup.cpu") = 0 [pid 297] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./20/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./20") = 0 [pid 297] mkdir("./21", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 319 attached , child_tidptr=0x555565b1f650) = 23 [pid 319] set_robust_list(0x555565b1f660, 24) = 0 [pid 319] chdir("./21") = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 319] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 319] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 [pid 319] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 319] write(1, "executing program\n", 18) = 18 [pid 319] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 319] close(3) = -1 EBADF (Bad file descriptor) [pid 319] close(4) = -1 EBADF (Bad file descriptor) [pid 319] close(5) = -1 EBADF (Bad file descriptor) [pid 319] close(6) = -1 EBADF (Bad file descriptor) [pid 319] close(7) = -1 EBADF (Bad file descriptor) [pid 319] close(8) = -1 EBADF (Bad file descriptor) [pid 319] close(9) = -1 EBADF (Bad file descriptor) [pid 319] close(10) = -1 EBADF (Bad file descriptor) [pid 319] close(11) = -1 EBADF (Bad file descriptor) [pid 319] close(12) = -1 EBADF (Bad file descriptor) [pid 319] close(13) = -1 EBADF (Bad file descriptor) [pid 319] close(14) = -1 EBADF (Bad file descriptor) [pid 319] close(15) = -1 EBADF (Bad file descriptor) [pid 319] close(16) = -1 EBADF (Bad file descriptor) [pid 319] close(17) = -1 EBADF (Bad file descriptor) [pid 319] close(18) = -1 EBADF (Bad file descriptor) [pid 319] close(19) = -1 EBADF (Bad file descriptor) [pid 319] close(20) = -1 EBADF (Bad file descriptor) [pid 319] close(21) = -1 EBADF (Bad file descriptor) [pid 319] close(22) = -1 EBADF (Bad file descriptor) [pid 319] close(23) = -1 EBADF (Bad file descriptor) [pid 319] close(24) = -1 EBADF (Bad file descriptor) [pid 319] close(25) = -1 EBADF (Bad file descriptor) [pid 319] close(26) = -1 EBADF (Bad file descriptor) [pid 319] close(27) = -1 EBADF (Bad file descriptor) [pid 319] close(28) = -1 EBADF (Bad file descriptor) [pid 319] close(29) = -1 EBADF (Bad file descriptor) [pid 319] exit_group(0) = ? [pid 319] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./21/binderfs") = 0 [pid 297] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./21/cgroup.net") = 0 [pid 297] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./21/cgroup.cpu") = 0 [pid 297] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./21/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./21") = 0 [pid 297] mkdir("./22", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 320 attached , child_tidptr=0x555565b1f650) = 24 [pid 320] set_robust_list(0x555565b1f660, 24) = 0 [pid 320] chdir("./22") = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 320] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 320] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 320] write(1, "executing program\n", 18executing program ) = 18 [ 23.990037][ T318] incfs: Error allocating mount info. -12 [ 23.995777][ T318] incfs: mount failed -12 [ 24.018751][ T319] incfs: Error allocating mount info. -12 [ 24.024485][ T319] incfs: mount failed -12 [pid 320] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 320] close(3) = -1 EBADF (Bad file descriptor) [pid 320] close(4) = -1 EBADF (Bad file descriptor) [pid 320] close(5) = -1 EBADF (Bad file descriptor) [pid 320] close(6) = -1 EBADF (Bad file descriptor) [pid 320] close(7) = -1 EBADF (Bad file descriptor) [pid 320] close(8) = -1 EBADF (Bad file descriptor) [pid 320] close(9) = -1 EBADF (Bad file descriptor) [pid 320] close(10) = -1 EBADF (Bad file descriptor) [pid 320] close(11) = -1 EBADF (Bad file descriptor) [pid 320] close(12) = -1 EBADF (Bad file descriptor) [pid 320] close(13) = -1 EBADF (Bad file descriptor) [pid 320] close(14) = -1 EBADF (Bad file descriptor) [pid 320] close(15) = -1 EBADF (Bad file descriptor) [pid 320] close(16) = -1 EBADF (Bad file descriptor) [pid 320] close(17) = -1 EBADF (Bad file descriptor) [pid 320] close(18) = -1 EBADF (Bad file descriptor) [pid 320] close(19) = -1 EBADF (Bad file descriptor) [pid 320] close(20) = -1 EBADF (Bad file descriptor) [pid 320] close(21) = -1 EBADF (Bad file descriptor) [pid 320] close(22) = -1 EBADF (Bad file descriptor) [pid 320] close(23) = -1 EBADF (Bad file descriptor) [pid 320] close(24) = -1 EBADF (Bad file descriptor) [pid 320] close(25) = -1 EBADF (Bad file descriptor) [pid 320] close(26) = -1 EBADF (Bad file descriptor) [pid 320] close(27) = -1 EBADF (Bad file descriptor) [pid 320] close(28) = -1 EBADF (Bad file descriptor) [pid 320] close(29) = -1 EBADF (Bad file descriptor) [pid 320] exit_group(0) = ? [pid 320] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./22/binderfs") = 0 [pid 297] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./22/cgroup.net") = 0 [pid 297] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./22/cgroup.cpu") = 0 [pid 297] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./22/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./22") = 0 [pid 297] mkdir("./23", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 25 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x555565b1f660, 24) = 0 [pid 321] chdir("./23") = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 321] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 321] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 321] write(1, "executing program\n", 18executing program ) = 18 [pid 321] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 321] close(3) = -1 EBADF (Bad file descriptor) [pid 321] close(4) = -1 EBADF (Bad file descriptor) [pid 321] close(5) = -1 EBADF (Bad file descriptor) [pid 321] close(6) = -1 EBADF (Bad file descriptor) [pid 321] close(7) = -1 EBADF (Bad file descriptor) [pid 321] close(8) = -1 EBADF (Bad file descriptor) [pid 321] close(9) = -1 EBADF (Bad file descriptor) [pid 321] close(10) = -1 EBADF (Bad file descriptor) [pid 321] close(11) = -1 EBADF (Bad file descriptor) [pid 321] close(12) = -1 EBADF (Bad file descriptor) [pid 321] close(13) = -1 EBADF (Bad file descriptor) [pid 321] close(14) = -1 EBADF (Bad file descriptor) [pid 321] close(15) = -1 EBADF (Bad file descriptor) [pid 321] close(16) = -1 EBADF (Bad file descriptor) [pid 321] close(17) = -1 EBADF (Bad file descriptor) [pid 321] close(18) = -1 EBADF (Bad file descriptor) [pid 321] close(19) = -1 EBADF (Bad file descriptor) [pid 321] close(20) = -1 EBADF (Bad file descriptor) [pid 321] close(21) = -1 EBADF (Bad file descriptor) [pid 321] close(22) = -1 EBADF (Bad file descriptor) [pid 321] close(23) = -1 EBADF (Bad file descriptor) [pid 321] close(24) = -1 EBADF (Bad file descriptor) [pid 321] close(25) = -1 EBADF (Bad file descriptor) [pid 321] close(26) = -1 EBADF (Bad file descriptor) [pid 321] close(27) = -1 EBADF (Bad file descriptor) [pid 321] close(28) = -1 EBADF (Bad file descriptor) [pid 321] close(29) = -1 EBADF (Bad file descriptor) [pid 321] exit_group(0) = ? [pid 321] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./23/binderfs") = 0 [pid 297] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./23/cgroup.net") = 0 [pid 297] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./23/cgroup.cpu") = 0 [pid 297] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./23/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./23") = 0 [pid 297] mkdir("./24", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 26 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x555565b1f660, 24) = 0 [pid 322] chdir("./24") = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 322] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 322] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3) = 0 [pid 322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 322] write(1, "executing program\n", 18executing program ) = 18 [ 24.043632][ T320] incfs: Error allocating mount info. -12 [ 24.049437][ T320] incfs: mount failed -12 [ 24.071729][ T321] incfs: Error allocating mount info. -12 [ 24.077461][ T321] incfs: mount failed -12 [pid 322] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 322] close(3) = -1 EBADF (Bad file descriptor) [pid 322] close(4) = -1 EBADF (Bad file descriptor) [pid 322] close(5) = -1 EBADF (Bad file descriptor) [pid 322] close(6) = -1 EBADF (Bad file descriptor) [pid 322] close(7) = -1 EBADF (Bad file descriptor) [pid 322] close(8) = -1 EBADF (Bad file descriptor) [pid 322] close(9) = -1 EBADF (Bad file descriptor) [pid 322] close(10) = -1 EBADF (Bad file descriptor) [pid 322] close(11) = -1 EBADF (Bad file descriptor) [pid 322] close(12) = -1 EBADF (Bad file descriptor) [pid 322] close(13) = -1 EBADF (Bad file descriptor) [pid 322] close(14) = -1 EBADF (Bad file descriptor) [pid 322] close(15) = -1 EBADF (Bad file descriptor) [pid 322] close(16) = -1 EBADF (Bad file descriptor) [pid 322] close(17) = -1 EBADF (Bad file descriptor) [pid 322] close(18) = -1 EBADF (Bad file descriptor) [pid 322] close(19) = -1 EBADF (Bad file descriptor) [pid 322] close(20) = -1 EBADF (Bad file descriptor) [pid 322] close(21) = -1 EBADF (Bad file descriptor) [pid 322] close(22) = -1 EBADF (Bad file descriptor) [pid 322] close(23) = -1 EBADF (Bad file descriptor) [pid 322] close(24) = -1 EBADF (Bad file descriptor) [pid 322] close(25) = -1 EBADF (Bad file descriptor) [pid 322] close(26) = -1 EBADF (Bad file descriptor) [pid 322] close(27) = -1 EBADF (Bad file descriptor) [pid 322] close(28) = -1 EBADF (Bad file descriptor) [pid 322] close(29) = -1 EBADF (Bad file descriptor) [pid 322] exit_group(0) = ? [pid 322] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./24/binderfs") = 0 [pid 297] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./24/cgroup.net") = 0 [pid 297] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./24/cgroup.cpu") = 0 [pid 297] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./24/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./24") = 0 [pid 297] mkdir("./25", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 27 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x555565b1f660, 24) = 0 [pid 323] chdir("./25") = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 323] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 323] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 [pid 323] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 323] close(3) = -1 EBADF (Bad file descriptor) [pid 323] close(4) = -1 EBADF (Bad file descriptor) [pid 323] close(5) = -1 EBADF (Bad file descriptor) [pid 323] close(6) = -1 EBADF (Bad file descriptor) [pid 323] close(7) = -1 EBADF (Bad file descriptor) [pid 323] close(8) = -1 EBADF (Bad file descriptor) [pid 323] close(9) = -1 EBADF (Bad file descriptor) [pid 323] close(10) = -1 EBADF (Bad file descriptor) [pid 323] close(11) = -1 EBADF (Bad file descriptor) [pid 323] close(12) = -1 EBADF (Bad file descriptor) [pid 323] close(13) = -1 EBADF (Bad file descriptor) [pid 323] close(14) = -1 EBADF (Bad file descriptor) [pid 323] close(15) = -1 EBADF (Bad file descriptor) [pid 323] close(16) = -1 EBADF (Bad file descriptor) [pid 323] close(17) = -1 EBADF (Bad file descriptor) [pid 323] close(18) = -1 EBADF (Bad file descriptor) [pid 323] close(19) = -1 EBADF (Bad file descriptor) [pid 323] close(20) = -1 EBADF (Bad file descriptor) [pid 323] close(21) = -1 EBADF (Bad file descriptor) [pid 323] close(22) = -1 EBADF (Bad file descriptor) [pid 323] close(23) = -1 EBADF (Bad file descriptor) [pid 323] close(24) = -1 EBADF (Bad file descriptor) [pid 323] close(25) = -1 EBADF (Bad file descriptor) [pid 323] close(26) = -1 EBADF (Bad file descriptor) [pid 323] close(27) = -1 EBADF (Bad file descriptor) [pid 323] close(28) = -1 EBADF (Bad file descriptor) [pid 323] close(29) = -1 EBADF (Bad file descriptor) [pid 323] exit_group(0) = ? [pid 323] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./25/binderfs") = 0 [pid 297] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./25/cgroup.net") = 0 [pid 297] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./25/cgroup.cpu") = 0 [pid 297] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./25/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./25") = 0 [pid 297] mkdir("./26", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 28 ./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x555565b1f660, 24) = 0 [pid 324] chdir("./26") = 0 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 324] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 324] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 [pid 324] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 324] write(1, "executing program\n", 18) = 18 [ 24.099730][ T322] incfs: Error allocating mount info. -12 [ 24.105466][ T322] incfs: mount failed -12 [ 24.127250][ T323] incfs: Error allocating mount info. -12 [ 24.133080][ T323] incfs: mount failed -12 [pid 324] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 324] close(3) = -1 EBADF (Bad file descriptor) [pid 324] close(4) = -1 EBADF (Bad file descriptor) [pid 324] close(5) = -1 EBADF (Bad file descriptor) [pid 324] close(6) = -1 EBADF (Bad file descriptor) [pid 324] close(7) = -1 EBADF (Bad file descriptor) [pid 324] close(8) = -1 EBADF (Bad file descriptor) [pid 324] close(9) = -1 EBADF (Bad file descriptor) [pid 324] close(10) = -1 EBADF (Bad file descriptor) [pid 324] close(11) = -1 EBADF (Bad file descriptor) [pid 324] close(12) = -1 EBADF (Bad file descriptor) [pid 324] close(13) = -1 EBADF (Bad file descriptor) [pid 324] close(14) = -1 EBADF (Bad file descriptor) [pid 324] close(15) = -1 EBADF (Bad file descriptor) [pid 324] close(16) = -1 EBADF (Bad file descriptor) [pid 324] close(17) = -1 EBADF (Bad file descriptor) [pid 324] close(18) = -1 EBADF (Bad file descriptor) [pid 324] close(19) = -1 EBADF (Bad file descriptor) [pid 324] close(20) = -1 EBADF (Bad file descriptor) [pid 324] close(21) = -1 EBADF (Bad file descriptor) [pid 324] close(22) = -1 EBADF (Bad file descriptor) [pid 324] close(23) = -1 EBADF (Bad file descriptor) [pid 324] close(24) = -1 EBADF (Bad file descriptor) [pid 324] close(25) = -1 EBADF (Bad file descriptor) [pid 324] close(26) = -1 EBADF (Bad file descriptor) [pid 324] close(27) = -1 EBADF (Bad file descriptor) [pid 324] close(28) = -1 EBADF (Bad file descriptor) [pid 324] close(29) = -1 EBADF (Bad file descriptor) [pid 324] exit_group(0) = ? [pid 324] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./26/binderfs") = 0 [pid 297] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./26/cgroup.net") = 0 [pid 297] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./26/cgroup.cpu") = 0 [pid 297] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./26/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./26") = 0 [pid 297] mkdir("./27", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x555565b1f660, 24) = 0 [pid 325] chdir("./27") = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 29 [pid 325] <... symlink resumed>) = 0 [pid 325] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 325] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 [pid 325] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 325] close(3) = -1 EBADF (Bad file descriptor) [pid 325] close(4) = -1 EBADF (Bad file descriptor) [pid 325] close(5) = -1 EBADF (Bad file descriptor) [pid 325] close(6) = -1 EBADF (Bad file descriptor) [pid 325] close(7) = -1 EBADF (Bad file descriptor) [pid 325] close(8) = -1 EBADF (Bad file descriptor) [pid 325] close(9) = -1 EBADF (Bad file descriptor) [pid 325] close(10) = -1 EBADF (Bad file descriptor) [pid 325] close(11) = -1 EBADF (Bad file descriptor) [pid 325] close(12) = -1 EBADF (Bad file descriptor) [pid 325] close(13) = -1 EBADF (Bad file descriptor) [pid 325] close(14) = -1 EBADF (Bad file descriptor) [pid 325] close(15) = -1 EBADF (Bad file descriptor) [pid 325] close(16) = -1 EBADF (Bad file descriptor) [pid 325] close(17) = -1 EBADF (Bad file descriptor) [pid 325] close(18) = -1 EBADF (Bad file descriptor) [pid 325] close(19) = -1 EBADF (Bad file descriptor) [pid 325] close(20) = -1 EBADF (Bad file descriptor) [pid 325] close(21) = -1 EBADF (Bad file descriptor) [pid 325] close(22) = -1 EBADF (Bad file descriptor) [pid 325] close(23) = -1 EBADF (Bad file descriptor) [pid 325] close(24) = -1 EBADF (Bad file descriptor) [pid 325] close(25) = -1 EBADF (Bad file descriptor) [pid 325] close(26) = -1 EBADF (Bad file descriptor) [pid 325] close(27) = -1 EBADF (Bad file descriptor) [pid 325] close(28) = -1 EBADF (Bad file descriptor) [pid 325] close(29) = -1 EBADF (Bad file descriptor) [pid 325] exit_group(0) = ? [pid 325] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./27/binderfs") = 0 [pid 297] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./27/cgroup.net") = 0 [pid 297] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./27/cgroup.cpu") = 0 [pid 297] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./27/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./27") = 0 [pid 297] mkdir("./28", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 30 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x555565b1f660, 24) = 0 [pid 326] chdir("./28") = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 326] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 326] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 326] write(1, "executing program\n", 18executing program ) = 18 [ 24.151554][ T324] incfs: Error allocating mount info. -12 [ 24.157305][ T324] incfs: mount failed -12 [ 24.177600][ T325] incfs: Error allocating mount info. -12 [ 24.183402][ T325] incfs: mount failed -12 [pid 326] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 326] close(3) = -1 EBADF (Bad file descriptor) [pid 326] close(4) = -1 EBADF (Bad file descriptor) [pid 326] close(5) = -1 EBADF (Bad file descriptor) [pid 326] close(6) = -1 EBADF (Bad file descriptor) [pid 326] close(7) = -1 EBADF (Bad file descriptor) [pid 326] close(8) = -1 EBADF (Bad file descriptor) [pid 326] close(9) = -1 EBADF (Bad file descriptor) [pid 326] close(10) = -1 EBADF (Bad file descriptor) [pid 326] close(11) = -1 EBADF (Bad file descriptor) [pid 326] close(12) = -1 EBADF (Bad file descriptor) [pid 326] close(13) = -1 EBADF (Bad file descriptor) [pid 326] close(14) = -1 EBADF (Bad file descriptor) [pid 326] close(15) = -1 EBADF (Bad file descriptor) [pid 326] close(16) = -1 EBADF (Bad file descriptor) [pid 326] close(17) = -1 EBADF (Bad file descriptor) [pid 326] close(18) = -1 EBADF (Bad file descriptor) [pid 326] close(19) = -1 EBADF (Bad file descriptor) [pid 326] close(20) = -1 EBADF (Bad file descriptor) [pid 326] close(21) = -1 EBADF (Bad file descriptor) [pid 326] close(22) = -1 EBADF (Bad file descriptor) [pid 326] close(23) = -1 EBADF (Bad file descriptor) [pid 326] close(24) = -1 EBADF (Bad file descriptor) [pid 326] close(25) = -1 EBADF (Bad file descriptor) [pid 326] close(26) = -1 EBADF (Bad file descriptor) [pid 326] close(27) = -1 EBADF (Bad file descriptor) [pid 326] close(28) = -1 EBADF (Bad file descriptor) [pid 326] close(29) = -1 EBADF (Bad file descriptor) [pid 326] exit_group(0) = ? [pid 326] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./28/binderfs") = 0 [pid 297] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./28/cgroup.net") = 0 [pid 297] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./28/cgroup.cpu") = 0 [pid 297] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./28/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./28") = 0 [pid 297] mkdir("./29", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 327 attached , child_tidptr=0x555565b1f650) = 31 [pid 327] set_robust_list(0x555565b1f660, 24) = 0 [pid 327] chdir("./29") = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 327] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 327] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 [pid 327] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 327] write(1, "executing program\n", 18) = 18 [pid 327] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 327] close(3) = -1 EBADF (Bad file descriptor) [pid 327] close(4) = -1 EBADF (Bad file descriptor) [pid 327] close(5) = -1 EBADF (Bad file descriptor) [pid 327] close(6) = -1 EBADF (Bad file descriptor) [pid 327] close(7) = -1 EBADF (Bad file descriptor) [pid 327] close(8) = -1 EBADF (Bad file descriptor) [pid 327] close(9) = -1 EBADF (Bad file descriptor) [pid 327] close(10) = -1 EBADF (Bad file descriptor) [pid 327] close(11) = -1 EBADF (Bad file descriptor) [pid 327] close(12) = -1 EBADF (Bad file descriptor) [pid 327] close(13) = -1 EBADF (Bad file descriptor) [pid 327] close(14) = -1 EBADF (Bad file descriptor) [pid 327] close(15) = -1 EBADF (Bad file descriptor) [pid 327] close(16) = -1 EBADF (Bad file descriptor) [pid 327] close(17) = -1 EBADF (Bad file descriptor) [pid 327] close(18) = -1 EBADF (Bad file descriptor) [pid 327] close(19) = -1 EBADF (Bad file descriptor) [pid 327] close(20) = -1 EBADF (Bad file descriptor) [pid 327] close(21) = -1 EBADF (Bad file descriptor) [pid 327] close(22) = -1 EBADF (Bad file descriptor) [pid 327] close(23) = -1 EBADF (Bad file descriptor) [pid 327] close(24) = -1 EBADF (Bad file descriptor) [pid 327] close(25) = -1 EBADF (Bad file descriptor) [pid 327] close(26) = -1 EBADF (Bad file descriptor) [pid 327] close(27) = -1 EBADF (Bad file descriptor) [pid 327] close(28) = -1 EBADF (Bad file descriptor) [pid 327] close(29) = -1 EBADF (Bad file descriptor) [pid 327] exit_group(0) = ? [pid 327] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./29/binderfs") = 0 [pid 297] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./29/cgroup.net") = 0 [pid 297] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./29/cgroup.cpu") = 0 [pid 297] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./29/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./29") = 0 [pid 297] mkdir("./30", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 328 attached , child_tidptr=0x555565b1f650) = 32 [pid 328] set_robust_list(0x555565b1f660, 24) = 0 [pid 328] chdir("./30") = 0 [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 328] setpgid(0, 0) = 0 [pid 328] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 328] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] write(3, "1000", 4) = 4 [pid 328] close(3) = 0 [pid 328] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 328] write(1, "executing program\n", 18) = 18 [ 24.206351][ T326] incfs: Error allocating mount info. -12 [ 24.212154][ T326] incfs: mount failed -12 [ 24.233075][ T327] incfs: Error allocating mount info. -12 [ 24.238916][ T327] incfs: mount failed -12 [pid 328] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 328] close(3) = -1 EBADF (Bad file descriptor) [pid 328] close(4) = -1 EBADF (Bad file descriptor) [pid 328] close(5) = -1 EBADF (Bad file descriptor) [pid 328] close(6) = -1 EBADF (Bad file descriptor) [pid 328] close(7) = -1 EBADF (Bad file descriptor) [pid 328] close(8) = -1 EBADF (Bad file descriptor) [pid 328] close(9) = -1 EBADF (Bad file descriptor) [pid 328] close(10) = -1 EBADF (Bad file descriptor) [pid 328] close(11) = -1 EBADF (Bad file descriptor) [pid 328] close(12) = -1 EBADF (Bad file descriptor) [pid 328] close(13) = -1 EBADF (Bad file descriptor) [pid 328] close(14) = -1 EBADF (Bad file descriptor) [pid 328] close(15) = -1 EBADF (Bad file descriptor) [pid 328] close(16) = -1 EBADF (Bad file descriptor) [pid 328] close(17) = -1 EBADF (Bad file descriptor) [pid 328] close(18) = -1 EBADF (Bad file descriptor) [pid 328] close(19) = -1 EBADF (Bad file descriptor) [pid 328] close(20) = -1 EBADF (Bad file descriptor) [pid 328] close(21) = -1 EBADF (Bad file descriptor) [pid 328] close(22) = -1 EBADF (Bad file descriptor) [pid 328] close(23) = -1 EBADF (Bad file descriptor) [pid 328] close(24) = -1 EBADF (Bad file descriptor) [pid 328] close(25) = -1 EBADF (Bad file descriptor) [pid 328] close(26) = -1 EBADF (Bad file descriptor) [pid 328] close(27) = -1 EBADF (Bad file descriptor) [pid 328] close(28) = -1 EBADF (Bad file descriptor) [pid 328] close(29) = -1 EBADF (Bad file descriptor) [pid 328] exit_group(0) = ? [pid 328] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./30/binderfs") = 0 [pid 297] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./30/cgroup.net") = 0 [pid 297] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./30/cgroup.cpu") = 0 [pid 297] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./30/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./30") = 0 [pid 297] mkdir("./31", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 329 attached , child_tidptr=0x555565b1f650) = 33 [pid 329] set_robust_list(0x555565b1f660, 24) = 0 [pid 329] chdir("./31") = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 329] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 329] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 329] close(3) = -1 EBADF (Bad file descriptor) [pid 329] close(4) = -1 EBADF (Bad file descriptor) [pid 329] close(5) = -1 EBADF (Bad file descriptor) [pid 329] close(6) = -1 EBADF (Bad file descriptor) [pid 329] close(7) = -1 EBADF (Bad file descriptor) [pid 329] close(8) = -1 EBADF (Bad file descriptor) [pid 329] close(9) = -1 EBADF (Bad file descriptor) [pid 329] close(10) = -1 EBADF (Bad file descriptor) [pid 329] close(11) = -1 EBADF (Bad file descriptor) [pid 329] close(12) = -1 EBADF (Bad file descriptor) [pid 329] close(13) = -1 EBADF (Bad file descriptor) [pid 329] close(14) = -1 EBADF (Bad file descriptor) [pid 329] close(15) = -1 EBADF (Bad file descriptor) [pid 329] close(16) = -1 EBADF (Bad file descriptor) [pid 329] close(17) = -1 EBADF (Bad file descriptor) [pid 329] close(18) = -1 EBADF (Bad file descriptor) [pid 329] close(19) = -1 EBADF (Bad file descriptor) [pid 329] close(20) = -1 EBADF (Bad file descriptor) [pid 329] close(21) = -1 EBADF (Bad file descriptor) [pid 329] close(22) = -1 EBADF (Bad file descriptor) [pid 329] close(23) = -1 EBADF (Bad file descriptor) [pid 329] close(24) = -1 EBADF (Bad file descriptor) [pid 329] close(25) = -1 EBADF (Bad file descriptor) [pid 329] close(26) = -1 EBADF (Bad file descriptor) [pid 329] close(27) = -1 EBADF (Bad file descriptor) [pid 329] close(28) = -1 EBADF (Bad file descriptor) [pid 329] close(29) = -1 EBADF (Bad file descriptor) [pid 329] exit_group(0) = ? [pid 329] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./31/binderfs") = 0 [pid 297] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./31/cgroup.net") = 0 [pid 297] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./31/cgroup.cpu") = 0 [pid 297] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./31/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./31") = 0 [pid 297] mkdir("./32", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 330 attached , child_tidptr=0x555565b1f650) = 34 [pid 330] set_robust_list(0x555565b1f660, 24) = 0 [pid 330] chdir("./32") = 0 [pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 330] setpgid(0, 0) = 0 [pid 330] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 330] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 330] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 330] write(3, "1000", 4) = 4 [pid 330] close(3) = 0 [pid 330] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 330] write(1, "executing program\n", 18) = 18 [ 24.257952][ T328] incfs: Error allocating mount info. -12 [ 24.263737][ T328] incfs: mount failed -12 [ 24.281580][ T329] incfs: Error allocating mount info. -12 [ 24.287313][ T329] incfs: mount failed -12 [pid 330] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 330] close(3) = -1 EBADF (Bad file descriptor) [pid 330] close(4) = -1 EBADF (Bad file descriptor) [pid 330] close(5) = -1 EBADF (Bad file descriptor) [pid 330] close(6) = -1 EBADF (Bad file descriptor) [pid 330] close(7) = -1 EBADF (Bad file descriptor) [pid 330] close(8) = -1 EBADF (Bad file descriptor) [pid 330] close(9) = -1 EBADF (Bad file descriptor) [pid 330] close(10) = -1 EBADF (Bad file descriptor) [pid 330] close(11) = -1 EBADF (Bad file descriptor) [pid 330] close(12) = -1 EBADF (Bad file descriptor) [pid 330] close(13) = -1 EBADF (Bad file descriptor) [pid 330] close(14) = -1 EBADF (Bad file descriptor) [pid 330] close(15) = -1 EBADF (Bad file descriptor) [pid 330] close(16) = -1 EBADF (Bad file descriptor) [pid 330] close(17) = -1 EBADF (Bad file descriptor) [pid 330] close(18) = -1 EBADF (Bad file descriptor) [pid 330] close(19) = -1 EBADF (Bad file descriptor) [pid 330] close(20) = -1 EBADF (Bad file descriptor) [pid 330] close(21) = -1 EBADF (Bad file descriptor) [pid 330] close(22) = -1 EBADF (Bad file descriptor) [pid 330] close(23) = -1 EBADF (Bad file descriptor) [pid 330] close(24) = -1 EBADF (Bad file descriptor) [pid 330] close(25) = -1 EBADF (Bad file descriptor) [pid 330] close(26) = -1 EBADF (Bad file descriptor) [pid 330] close(27) = -1 EBADF (Bad file descriptor) [pid 330] close(28) = -1 EBADF (Bad file descriptor) [pid 330] close(29) = -1 EBADF (Bad file descriptor) [pid 330] exit_group(0) = ? [pid 330] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./32/binderfs") = 0 [pid 297] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./32/cgroup.net") = 0 [pid 297] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./32/cgroup.cpu") = 0 [pid 297] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./32/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./32") = 0 [pid 297] mkdir("./33", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 35 ./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x555565b1f660, 24) = 0 [pid 331] chdir("./33") = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 331] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 331] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 [pid 331] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 331] close(3) = -1 EBADF (Bad file descriptor) [pid 331] close(4) = -1 EBADF (Bad file descriptor) [pid 331] close(5) = -1 EBADF (Bad file descriptor) [pid 331] close(6) = -1 EBADF (Bad file descriptor) [pid 331] close(7) = -1 EBADF (Bad file descriptor) [pid 331] close(8) = -1 EBADF (Bad file descriptor) [pid 331] close(9) = -1 EBADF (Bad file descriptor) [pid 331] close(10) = -1 EBADF (Bad file descriptor) [pid 331] close(11) = -1 EBADF (Bad file descriptor) [pid 331] close(12) = -1 EBADF (Bad file descriptor) [pid 331] close(13) = -1 EBADF (Bad file descriptor) [pid 331] close(14) = -1 EBADF (Bad file descriptor) [pid 331] close(15) = -1 EBADF (Bad file descriptor) [pid 331] close(16) = -1 EBADF (Bad file descriptor) [pid 331] close(17) = -1 EBADF (Bad file descriptor) [pid 331] close(18) = -1 EBADF (Bad file descriptor) [pid 331] close(19) = -1 EBADF (Bad file descriptor) [pid 331] close(20) = -1 EBADF (Bad file descriptor) [pid 331] close(21) = -1 EBADF (Bad file descriptor) [pid 331] close(22) = -1 EBADF (Bad file descriptor) [pid 331] close(23) = -1 EBADF (Bad file descriptor) [pid 331] close(24) = -1 EBADF (Bad file descriptor) [pid 331] close(25) = -1 EBADF (Bad file descriptor) [pid 331] close(26) = -1 EBADF (Bad file descriptor) [pid 331] close(27) = -1 EBADF (Bad file descriptor) [pid 331] close(28) = -1 EBADF (Bad file descriptor) [pid 331] close(29) = -1 EBADF (Bad file descriptor) [pid 331] exit_group(0) = ? [pid 331] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./33/binderfs") = 0 [pid 297] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./33/cgroup.net") = 0 [pid 297] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./33/cgroup.cpu") = 0 [pid 297] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./33/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./33") = 0 [pid 297] mkdir("./34", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x555565b1f660, 24 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 36 [pid 332] <... set_robust_list resumed>) = 0 [pid 332] chdir("./34") = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 332] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 332] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 332] write(1, "executing program\n", 18) = 18 [ 24.310616][ T330] incfs: Error allocating mount info. -12 [ 24.316360][ T330] incfs: mount failed -12 [ 24.334171][ T331] incfs: Error allocating mount info. -12 [ 24.339984][ T331] incfs: mount failed -12 [pid 332] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 332] close(3) = -1 EBADF (Bad file descriptor) [pid 332] close(4) = -1 EBADF (Bad file descriptor) [pid 332] close(5) = -1 EBADF (Bad file descriptor) [pid 332] close(6) = -1 EBADF (Bad file descriptor) [pid 332] close(7) = -1 EBADF (Bad file descriptor) [pid 332] close(8) = -1 EBADF (Bad file descriptor) [pid 332] close(9) = -1 EBADF (Bad file descriptor) [pid 332] close(10) = -1 EBADF (Bad file descriptor) [pid 332] close(11) = -1 EBADF (Bad file descriptor) [pid 332] close(12) = -1 EBADF (Bad file descriptor) [pid 332] close(13) = -1 EBADF (Bad file descriptor) [pid 332] close(14) = -1 EBADF (Bad file descriptor) [pid 332] close(15) = -1 EBADF (Bad file descriptor) [pid 332] close(16) = -1 EBADF (Bad file descriptor) [pid 332] close(17) = -1 EBADF (Bad file descriptor) [pid 332] close(18) = -1 EBADF (Bad file descriptor) [pid 332] close(19) = -1 EBADF (Bad file descriptor) [pid 332] close(20) = -1 EBADF (Bad file descriptor) [pid 332] close(21) = -1 EBADF (Bad file descriptor) [pid 332] close(22) = -1 EBADF (Bad file descriptor) [pid 332] close(23) = -1 EBADF (Bad file descriptor) [pid 332] close(24) = -1 EBADF (Bad file descriptor) [pid 332] close(25) = -1 EBADF (Bad file descriptor) [pid 332] close(26) = -1 EBADF (Bad file descriptor) [pid 332] close(27) = -1 EBADF (Bad file descriptor) [pid 332] close(28) = -1 EBADF (Bad file descriptor) [pid 332] close(29) = -1 EBADF (Bad file descriptor) [pid 332] exit_group(0) = ? [pid 332] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./34/binderfs") = 0 [pid 297] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./34/cgroup.net") = 0 [pid 297] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./34/cgroup.cpu") = 0 [pid 297] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./34/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./34") = 0 [pid 297] mkdir("./35", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 37 ./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x555565b1f660, 24) = 0 [pid 333] chdir("./35") = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 333] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 333] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 333] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] write(3, "1000", 4) = 4 [pid 333] close(3) = 0 [pid 333] symlink("/dev/binderfs", "./binderfs") = 0 [pid 333] write(1, "executing program\n", 18executing program ) = 18 [pid 333] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 333] close(3) = -1 EBADF (Bad file descriptor) [pid 333] close(4) = -1 EBADF (Bad file descriptor) [pid 333] close(5) = -1 EBADF (Bad file descriptor) [pid 333] close(6) = -1 EBADF (Bad file descriptor) [pid 333] close(7) = -1 EBADF (Bad file descriptor) [pid 333] close(8) = -1 EBADF (Bad file descriptor) [pid 333] close(9) = -1 EBADF (Bad file descriptor) [pid 333] close(10) = -1 EBADF (Bad file descriptor) [pid 333] close(11) = -1 EBADF (Bad file descriptor) [pid 333] close(12) = -1 EBADF (Bad file descriptor) [pid 333] close(13) = -1 EBADF (Bad file descriptor) [pid 333] close(14) = -1 EBADF (Bad file descriptor) [pid 333] close(15) = -1 EBADF (Bad file descriptor) [pid 333] close(16) = -1 EBADF (Bad file descriptor) [pid 333] close(17) = -1 EBADF (Bad file descriptor) [pid 333] close(18) = -1 EBADF (Bad file descriptor) [pid 333] close(19) = -1 EBADF (Bad file descriptor) [pid 333] close(20) = -1 EBADF (Bad file descriptor) [pid 333] close(21) = -1 EBADF (Bad file descriptor) [pid 333] close(22) = -1 EBADF (Bad file descriptor) [pid 333] close(23) = -1 EBADF (Bad file descriptor) [pid 333] close(24) = -1 EBADF (Bad file descriptor) [pid 333] close(25) = -1 EBADF (Bad file descriptor) [pid 333] close(26) = -1 EBADF (Bad file descriptor) [pid 333] close(27) = -1 EBADF (Bad file descriptor) [pid 333] close(28) = -1 EBADF (Bad file descriptor) [pid 333] close(29) = -1 EBADF (Bad file descriptor) [pid 333] exit_group(0) = ? [pid 333] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./35/binderfs") = 0 [pid 297] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./35/cgroup.net") = 0 [pid 297] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./35/cgroup.cpu") = 0 [pid 297] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./35/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./35") = 0 [pid 297] mkdir("./36", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 38 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x555565b1f660, 24) = 0 [pid 334] chdir("./36") = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 [pid 334] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 334] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 334] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 [pid 334] close(3) = 0 [pid 334] symlink("/dev/binderfs", "./binderfs") = 0 [pid 334] write(1, "executing program\n", 18executing program ) = 18 [ 24.358924][ T332] incfs: Error allocating mount info. -12 [ 24.364710][ T332] incfs: mount failed -12 [ 24.388121][ T333] incfs: Error allocating mount info. -12 [ 24.393952][ T333] incfs: mount failed -12 [pid 334] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 334] close(3) = -1 EBADF (Bad file descriptor) [pid 334] close(4) = -1 EBADF (Bad file descriptor) [pid 334] close(5) = -1 EBADF (Bad file descriptor) [pid 334] close(6) = -1 EBADF (Bad file descriptor) [pid 334] close(7) = -1 EBADF (Bad file descriptor) [pid 334] close(8) = -1 EBADF (Bad file descriptor) [pid 334] close(9) = -1 EBADF (Bad file descriptor) [pid 334] close(10) = -1 EBADF (Bad file descriptor) [pid 334] close(11) = -1 EBADF (Bad file descriptor) [pid 334] close(12) = -1 EBADF (Bad file descriptor) [pid 334] close(13) = -1 EBADF (Bad file descriptor) [pid 334] close(14) = -1 EBADF (Bad file descriptor) [pid 334] close(15) = -1 EBADF (Bad file descriptor) [pid 334] close(16) = -1 EBADF (Bad file descriptor) [pid 334] close(17) = -1 EBADF (Bad file descriptor) [pid 334] close(18) = -1 EBADF (Bad file descriptor) [pid 334] close(19) = -1 EBADF (Bad file descriptor) [pid 334] close(20) = -1 EBADF (Bad file descriptor) [pid 334] close(21) = -1 EBADF (Bad file descriptor) [pid 334] close(22) = -1 EBADF (Bad file descriptor) [pid 334] close(23) = -1 EBADF (Bad file descriptor) [pid 334] close(24) = -1 EBADF (Bad file descriptor) [pid 334] close(25) = -1 EBADF (Bad file descriptor) [pid 334] close(26) = -1 EBADF (Bad file descriptor) [pid 334] close(27) = -1 EBADF (Bad file descriptor) [pid 334] close(28) = -1 EBADF (Bad file descriptor) [pid 334] close(29) = -1 EBADF (Bad file descriptor) [pid 334] exit_group(0) = ? [pid 334] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./36/binderfs") = 0 [pid 297] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./36/cgroup.net") = 0 [pid 297] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./36/cgroup.cpu") = 0 [pid 297] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./36/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./36") = 0 [pid 297] mkdir("./37", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 335 attached , child_tidptr=0x555565b1f650) = 39 [pid 335] set_robust_list(0x555565b1f660, 24) = 0 [pid 335] chdir("./37") = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 335] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 335] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 executing program [pid 335] symlink("/dev/binderfs", "./binderfs") = 0 [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 335] close(3) = -1 EBADF (Bad file descriptor) [pid 335] close(4) = -1 EBADF (Bad file descriptor) [pid 335] close(5) = -1 EBADF (Bad file descriptor) [pid 335] close(6) = -1 EBADF (Bad file descriptor) [pid 335] close(7) = -1 EBADF (Bad file descriptor) [pid 335] close(8) = -1 EBADF (Bad file descriptor) [pid 335] close(9) = -1 EBADF (Bad file descriptor) [pid 335] close(10) = -1 EBADF (Bad file descriptor) [pid 335] close(11) = -1 EBADF (Bad file descriptor) [pid 335] close(12) = -1 EBADF (Bad file descriptor) [pid 335] close(13) = -1 EBADF (Bad file descriptor) [pid 335] close(14) = -1 EBADF (Bad file descriptor) [pid 335] close(15) = -1 EBADF (Bad file descriptor) [pid 335] close(16) = -1 EBADF (Bad file descriptor) [pid 335] close(17) = -1 EBADF (Bad file descriptor) [pid 335] close(18) = -1 EBADF (Bad file descriptor) [pid 335] close(19) = -1 EBADF (Bad file descriptor) [pid 335] close(20) = -1 EBADF (Bad file descriptor) [pid 335] close(21) = -1 EBADF (Bad file descriptor) [pid 335] close(22) = -1 EBADF (Bad file descriptor) [pid 335] close(23) = -1 EBADF (Bad file descriptor) [pid 335] close(24) = -1 EBADF (Bad file descriptor) [pid 335] close(25) = -1 EBADF (Bad file descriptor) [pid 335] close(26) = -1 EBADF (Bad file descriptor) [pid 335] close(27) = -1 EBADF (Bad file descriptor) [pid 335] close(28) = -1 EBADF (Bad file descriptor) [pid 335] close(29) = -1 EBADF (Bad file descriptor) [pid 335] exit_group(0) = ? [pid 335] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./37/binderfs") = 0 [pid 297] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./37/cgroup.net") = 0 [pid 297] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./37/cgroup.cpu") = 0 [pid 297] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./37/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./37") = 0 [pid 297] mkdir("./38", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x555565b1f660, 24) = 0 [pid 336] chdir("./38" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 40 [pid 336] <... chdir resumed>) = 0 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 336] setpgid(0, 0) = 0 [pid 336] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 336] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 336] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 336] write(3, "1000", 4) = 4 [pid 336] close(3) = 0 [pid 336] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 336] write(1, "executing program\n", 18) = 18 [ 24.416583][ T334] incfs: Error allocating mount info. -12 [ 24.422366][ T334] incfs: mount failed -12 [ 24.442972][ T335] incfs: Error allocating mount info. -12 [ 24.448776][ T335] incfs: mount failed -12 [pid 336] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 336] close(3) = -1 EBADF (Bad file descriptor) [pid 336] close(4) = -1 EBADF (Bad file descriptor) [pid 336] close(5) = -1 EBADF (Bad file descriptor) [pid 336] close(6) = -1 EBADF (Bad file descriptor) [pid 336] close(7) = -1 EBADF (Bad file descriptor) [pid 336] close(8) = -1 EBADF (Bad file descriptor) [pid 336] close(9) = -1 EBADF (Bad file descriptor) [pid 336] close(10) = -1 EBADF (Bad file descriptor) [pid 336] close(11) = -1 EBADF (Bad file descriptor) [pid 336] close(12) = -1 EBADF (Bad file descriptor) [pid 336] close(13) = -1 EBADF (Bad file descriptor) [pid 336] close(14) = -1 EBADF (Bad file descriptor) [pid 336] close(15) = -1 EBADF (Bad file descriptor) [pid 336] close(16) = -1 EBADF (Bad file descriptor) [pid 336] close(17) = -1 EBADF (Bad file descriptor) [pid 336] close(18) = -1 EBADF (Bad file descriptor) [pid 336] close(19) = -1 EBADF (Bad file descriptor) [pid 336] close(20) = -1 EBADF (Bad file descriptor) [pid 336] close(21) = -1 EBADF (Bad file descriptor) [pid 336] close(22) = -1 EBADF (Bad file descriptor) [pid 336] close(23) = -1 EBADF (Bad file descriptor) [pid 336] close(24) = -1 EBADF (Bad file descriptor) [pid 336] close(25) = -1 EBADF (Bad file descriptor) [pid 336] close(26) = -1 EBADF (Bad file descriptor) [pid 336] close(27) = -1 EBADF (Bad file descriptor) [pid 336] close(28) = -1 EBADF (Bad file descriptor) [pid 336] close(29) = -1 EBADF (Bad file descriptor) [pid 336] exit_group(0) = ? [pid 336] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./38/binderfs") = 0 [pid 297] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./38/cgroup.net") = 0 [pid 297] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./38/cgroup.cpu") = 0 [pid 297] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./38/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./38") = 0 [pid 297] mkdir("./39", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x555565b1f660, 24) = 0 [pid 337] chdir("./39" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 41 [pid 337] <... chdir resumed>) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 337] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 337] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4) = 4 [pid 337] close(3) = 0 [pid 337] symlink("/dev/binderfs", "./binderfs") = 0 [pid 337] write(1, "executing program\n", 18executing program ) = 18 [pid 337] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 337] close(3) = -1 EBADF (Bad file descriptor) [pid 337] close(4) = -1 EBADF (Bad file descriptor) [pid 337] close(5) = -1 EBADF (Bad file descriptor) [pid 337] close(6) = -1 EBADF (Bad file descriptor) [pid 337] close(7) = -1 EBADF (Bad file descriptor) [pid 337] close(8) = -1 EBADF (Bad file descriptor) [pid 337] close(9) = -1 EBADF (Bad file descriptor) [pid 337] close(10) = -1 EBADF (Bad file descriptor) [pid 337] close(11) = -1 EBADF (Bad file descriptor) [pid 337] close(12) = -1 EBADF (Bad file descriptor) [pid 337] close(13) = -1 EBADF (Bad file descriptor) [pid 337] close(14) = -1 EBADF (Bad file descriptor) [pid 337] close(15) = -1 EBADF (Bad file descriptor) [pid 337] close(16) = -1 EBADF (Bad file descriptor) [pid 337] close(17) = -1 EBADF (Bad file descriptor) [pid 337] close(18) = -1 EBADF (Bad file descriptor) [pid 337] close(19) = -1 EBADF (Bad file descriptor) [pid 337] close(20) = -1 EBADF (Bad file descriptor) [pid 337] close(21) = -1 EBADF (Bad file descriptor) [pid 337] close(22) = -1 EBADF (Bad file descriptor) [pid 337] close(23) = -1 EBADF (Bad file descriptor) [pid 337] close(24) = -1 EBADF (Bad file descriptor) [pid 337] close(25) = -1 EBADF (Bad file descriptor) [pid 337] close(26) = -1 EBADF (Bad file descriptor) [pid 337] close(27) = -1 EBADF (Bad file descriptor) [pid 337] close(28) = -1 EBADF (Bad file descriptor) [pid 337] close(29) = -1 EBADF (Bad file descriptor) [pid 337] exit_group(0) = ? [pid 337] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./39/binderfs") = 0 [pid 297] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./39/cgroup.net") = 0 [pid 297] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./39/cgroup.cpu") = 0 [pid 297] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./39/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./39") = 0 [pid 297] mkdir("./40", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 338 attached , child_tidptr=0x555565b1f650) = 42 [pid 338] set_robust_list(0x555565b1f660, 24) = 0 [pid 338] chdir("./40") = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 338] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 338] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 executing program [pid 338] symlink("/dev/binderfs", "./binderfs") = 0 [ 24.468063][ T336] incfs: Error allocating mount info. -12 [ 24.473876][ T336] incfs: mount failed -12 [ 24.496402][ T337] incfs: Error allocating mount info. -12 [ 24.502167][ T337] incfs: mount failed -12 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 338] close(3) = -1 EBADF (Bad file descriptor) [pid 338] close(4) = -1 EBADF (Bad file descriptor) [pid 338] close(5) = -1 EBADF (Bad file descriptor) [pid 338] close(6) = -1 EBADF (Bad file descriptor) [pid 338] close(7) = -1 EBADF (Bad file descriptor) [pid 338] close(8) = -1 EBADF (Bad file descriptor) [pid 338] close(9) = -1 EBADF (Bad file descriptor) [pid 338] close(10) = -1 EBADF (Bad file descriptor) [pid 338] close(11) = -1 EBADF (Bad file descriptor) [pid 338] close(12) = -1 EBADF (Bad file descriptor) [pid 338] close(13) = -1 EBADF (Bad file descriptor) [pid 338] close(14) = -1 EBADF (Bad file descriptor) [pid 338] close(15) = -1 EBADF (Bad file descriptor) [pid 338] close(16) = -1 EBADF (Bad file descriptor) [pid 338] close(17) = -1 EBADF (Bad file descriptor) [pid 338] close(18) = -1 EBADF (Bad file descriptor) [pid 338] close(19) = -1 EBADF (Bad file descriptor) [pid 338] close(20) = -1 EBADF (Bad file descriptor) [pid 338] close(21) = -1 EBADF (Bad file descriptor) [pid 338] close(22) = -1 EBADF (Bad file descriptor) [pid 338] close(23) = -1 EBADF (Bad file descriptor) [pid 338] close(24) = -1 EBADF (Bad file descriptor) [pid 338] close(25) = -1 EBADF (Bad file descriptor) [pid 338] close(26) = -1 EBADF (Bad file descriptor) [pid 338] close(27) = -1 EBADF (Bad file descriptor) [pid 338] close(28) = -1 EBADF (Bad file descriptor) [pid 338] close(29) = -1 EBADF (Bad file descriptor) [pid 338] exit_group(0) = ? [pid 338] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./40/binderfs") = 0 [pid 297] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./40/cgroup.net") = 0 [pid 297] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./40/cgroup.cpu") = 0 [pid 297] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./40/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./40") = 0 [pid 297] mkdir("./41", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 339 attached , child_tidptr=0x555565b1f650) = 43 [pid 339] set_robust_list(0x555565b1f660, 24) = 0 [pid 339] chdir("./41") = 0 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 339] setpgid(0, 0) = 0 [pid 339] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 339] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 339] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 339] write(3, "1000", 4) = 4 [pid 339] close(3) = 0 [pid 339] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 339] write(1, "executing program\n", 18) = 18 [pid 339] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 339] close(3) = -1 EBADF (Bad file descriptor) [pid 339] close(4) = -1 EBADF (Bad file descriptor) [pid 339] close(5) = -1 EBADF (Bad file descriptor) [pid 339] close(6) = -1 EBADF (Bad file descriptor) [pid 339] close(7) = -1 EBADF (Bad file descriptor) [pid 339] close(8) = -1 EBADF (Bad file descriptor) [pid 339] close(9) = -1 EBADF (Bad file descriptor) [pid 339] close(10) = -1 EBADF (Bad file descriptor) [pid 339] close(11) = -1 EBADF (Bad file descriptor) [pid 339] close(12) = -1 EBADF (Bad file descriptor) [pid 339] close(13) = -1 EBADF (Bad file descriptor) [pid 339] close(14) = -1 EBADF (Bad file descriptor) [pid 339] close(15) = -1 EBADF (Bad file descriptor) [pid 339] close(16) = -1 EBADF (Bad file descriptor) [pid 339] close(17) = -1 EBADF (Bad file descriptor) [pid 339] close(18) = -1 EBADF (Bad file descriptor) [pid 339] close(19) = -1 EBADF (Bad file descriptor) [pid 339] close(20) = -1 EBADF (Bad file descriptor) [pid 339] close(21) = -1 EBADF (Bad file descriptor) [pid 339] close(22) = -1 EBADF (Bad file descriptor) [pid 339] close(23) = -1 EBADF (Bad file descriptor) [pid 339] close(24) = -1 EBADF (Bad file descriptor) [pid 339] close(25) = -1 EBADF (Bad file descriptor) [pid 339] close(26) = -1 EBADF (Bad file descriptor) [pid 339] close(27) = -1 EBADF (Bad file descriptor) [pid 339] close(28) = -1 EBADF (Bad file descriptor) [pid 339] close(29) = -1 EBADF (Bad file descriptor) [pid 339] exit_group(0) = ? [pid 339] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./41/binderfs") = 0 [pid 297] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./41/cgroup.net") = 0 [pid 297] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./41/cgroup.cpu") = 0 [pid 297] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./41/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./41") = 0 [pid 297] mkdir("./42", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 44 ./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x555565b1f660, 24) = 0 [pid 340] chdir("./42") = 0 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 340] setpgid(0, 0) = 0 [pid 340] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 340] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 340] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 [pid 340] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 340] write(1, "executing program\n", 18) = 18 [ 24.525029][ T338] incfs: Error allocating mount info. -12 [ 24.530962][ T338] incfs: mount failed -12 [ 24.548641][ T339] incfs: Error allocating mount info. -12 [ 24.554378][ T339] incfs: mount failed -12 [pid 340] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 340] close(3) = -1 EBADF (Bad file descriptor) [pid 340] close(4) = -1 EBADF (Bad file descriptor) [pid 340] close(5) = -1 EBADF (Bad file descriptor) [pid 340] close(6) = -1 EBADF (Bad file descriptor) [pid 340] close(7) = -1 EBADF (Bad file descriptor) [pid 340] close(8) = -1 EBADF (Bad file descriptor) [pid 340] close(9) = -1 EBADF (Bad file descriptor) [pid 340] close(10) = -1 EBADF (Bad file descriptor) [pid 340] close(11) = -1 EBADF (Bad file descriptor) [pid 340] close(12) = -1 EBADF (Bad file descriptor) [pid 340] close(13) = -1 EBADF (Bad file descriptor) [pid 340] close(14) = -1 EBADF (Bad file descriptor) [pid 340] close(15) = -1 EBADF (Bad file descriptor) [pid 340] close(16) = -1 EBADF (Bad file descriptor) [pid 340] close(17) = -1 EBADF (Bad file descriptor) [pid 340] close(18) = -1 EBADF (Bad file descriptor) [pid 340] close(19) = -1 EBADF (Bad file descriptor) [pid 340] close(20) = -1 EBADF (Bad file descriptor) [pid 340] close(21) = -1 EBADF (Bad file descriptor) [pid 340] close(22) = -1 EBADF (Bad file descriptor) [pid 340] close(23) = -1 EBADF (Bad file descriptor) [pid 340] close(24) = -1 EBADF (Bad file descriptor) [pid 340] close(25) = -1 EBADF (Bad file descriptor) [pid 340] close(26) = -1 EBADF (Bad file descriptor) [pid 340] close(27) = -1 EBADF (Bad file descriptor) [pid 340] close(28) = -1 EBADF (Bad file descriptor) [pid 340] close(29) = -1 EBADF (Bad file descriptor) [pid 340] exit_group(0) = ? [pid 340] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./42/binderfs") = 0 [pid 297] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./42/cgroup.net") = 0 [pid 297] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./42/cgroup.cpu") = 0 [pid 297] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./42/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./42") = 0 [pid 297] mkdir("./43", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 341 attached , child_tidptr=0x555565b1f650) = 45 [pid 341] set_robust_list(0x555565b1f660, 24) = 0 [pid 341] chdir("./43") = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 341] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 341] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 executing program [pid 341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 341] close(3) = -1 EBADF (Bad file descriptor) [pid 341] close(4) = -1 EBADF (Bad file descriptor) [pid 341] close(5) = -1 EBADF (Bad file descriptor) [pid 341] close(6) = -1 EBADF (Bad file descriptor) [pid 341] close(7) = -1 EBADF (Bad file descriptor) [pid 341] close(8) = -1 EBADF (Bad file descriptor) [pid 341] close(9) = -1 EBADF (Bad file descriptor) [pid 341] close(10) = -1 EBADF (Bad file descriptor) [pid 341] close(11) = -1 EBADF (Bad file descriptor) [pid 341] close(12) = -1 EBADF (Bad file descriptor) [pid 341] close(13) = -1 EBADF (Bad file descriptor) [pid 341] close(14) = -1 EBADF (Bad file descriptor) [pid 341] close(15) = -1 EBADF (Bad file descriptor) [pid 341] close(16) = -1 EBADF (Bad file descriptor) [pid 341] close(17) = -1 EBADF (Bad file descriptor) [pid 341] close(18) = -1 EBADF (Bad file descriptor) [pid 341] close(19) = -1 EBADF (Bad file descriptor) [pid 341] close(20) = -1 EBADF (Bad file descriptor) [pid 341] close(21) = -1 EBADF (Bad file descriptor) [pid 341] close(22) = -1 EBADF (Bad file descriptor) [pid 341] close(23) = -1 EBADF (Bad file descriptor) [pid 341] close(24) = -1 EBADF (Bad file descriptor) [pid 341] close(25) = -1 EBADF (Bad file descriptor) [pid 341] close(26) = -1 EBADF (Bad file descriptor) [pid 341] close(27) = -1 EBADF (Bad file descriptor) [pid 341] close(28) = -1 EBADF (Bad file descriptor) [pid 341] close(29) = -1 EBADF (Bad file descriptor) [pid 341] exit_group(0) = ? [pid 341] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./43/binderfs") = 0 [pid 297] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./43/cgroup.net") = 0 [pid 297] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./43/cgroup.cpu") = 0 [pid 297] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./43/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./43") = 0 [pid 297] mkdir("./44", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 342 attached , child_tidptr=0x555565b1f650) = 46 [pid 342] set_robust_list(0x555565b1f660, 24) = 0 [pid 342] chdir("./44") = 0 [pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 342] setpgid(0, 0) = 0 [pid 342] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 342] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 342] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 342] write(3, "1000", 4) = 4 [pid 342] close(3) = 0 [pid 342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 342] write(1, "executing program\n", 18executing program ) = 18 [ 24.574475][ T340] incfs: Error allocating mount info. -12 [ 24.580244][ T340] incfs: mount failed -12 [ 24.601632][ T341] incfs: Error allocating mount info. -12 [ 24.607369][ T341] incfs: mount failed -12 [pid 342] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 342] close(3) = -1 EBADF (Bad file descriptor) [pid 342] close(4) = -1 EBADF (Bad file descriptor) [pid 342] close(5) = -1 EBADF (Bad file descriptor) [pid 342] close(6) = -1 EBADF (Bad file descriptor) [pid 342] close(7) = -1 EBADF (Bad file descriptor) [pid 342] close(8) = -1 EBADF (Bad file descriptor) [pid 342] close(9) = -1 EBADF (Bad file descriptor) [pid 342] close(10) = -1 EBADF (Bad file descriptor) [pid 342] close(11) = -1 EBADF (Bad file descriptor) [pid 342] close(12) = -1 EBADF (Bad file descriptor) [pid 342] close(13) = -1 EBADF (Bad file descriptor) [pid 342] close(14) = -1 EBADF (Bad file descriptor) [pid 342] close(15) = -1 EBADF (Bad file descriptor) [pid 342] close(16) = -1 EBADF (Bad file descriptor) [pid 342] close(17) = -1 EBADF (Bad file descriptor) [pid 342] close(18) = -1 EBADF (Bad file descriptor) [pid 342] close(19) = -1 EBADF (Bad file descriptor) [pid 342] close(20) = -1 EBADF (Bad file descriptor) [pid 342] close(21) = -1 EBADF (Bad file descriptor) [pid 342] close(22) = -1 EBADF (Bad file descriptor) [pid 342] close(23) = -1 EBADF (Bad file descriptor) [pid 342] close(24) = -1 EBADF (Bad file descriptor) [pid 342] close(25) = -1 EBADF (Bad file descriptor) [pid 342] close(26) = -1 EBADF (Bad file descriptor) [pid 342] close(27) = -1 EBADF (Bad file descriptor) [pid 342] close(28) = -1 EBADF (Bad file descriptor) [pid 342] close(29) = -1 EBADF (Bad file descriptor) [pid 342] exit_group(0) = ? [pid 342] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./44/binderfs") = 0 [pid 297] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./44/cgroup.net") = 0 [pid 297] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./44/cgroup.cpu") = 0 [pid 297] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./44/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./44") = 0 [pid 297] mkdir("./45", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 47 ./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x555565b1f660, 24) = 0 [pid 343] chdir("./45") = 0 [pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 343] setpgid(0, 0) = 0 [pid 343] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 343] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 343] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 343] write(3, "1000", 4) = 4 [pid 343] close(3) = 0 [pid 343] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 343] write(1, "executing program\n", 18) = 18 [pid 343] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 343] close(3) = -1 EBADF (Bad file descriptor) [pid 343] close(4) = -1 EBADF (Bad file descriptor) [pid 343] close(5) = -1 EBADF (Bad file descriptor) [pid 343] close(6) = -1 EBADF (Bad file descriptor) [pid 343] close(7) = -1 EBADF (Bad file descriptor) [pid 343] close(8) = -1 EBADF (Bad file descriptor) [pid 343] close(9) = -1 EBADF (Bad file descriptor) [pid 343] close(10) = -1 EBADF (Bad file descriptor) [pid 343] close(11) = -1 EBADF (Bad file descriptor) [pid 343] close(12) = -1 EBADF (Bad file descriptor) [pid 343] close(13) = -1 EBADF (Bad file descriptor) [pid 343] close(14) = -1 EBADF (Bad file descriptor) [pid 343] close(15) = -1 EBADF (Bad file descriptor) [pid 343] close(16) = -1 EBADF (Bad file descriptor) [pid 343] close(17) = -1 EBADF (Bad file descriptor) [pid 343] close(18) = -1 EBADF (Bad file descriptor) [pid 343] close(19) = -1 EBADF (Bad file descriptor) [pid 343] close(20) = -1 EBADF (Bad file descriptor) [pid 343] close(21) = -1 EBADF (Bad file descriptor) [pid 343] close(22) = -1 EBADF (Bad file descriptor) [pid 343] close(23) = -1 EBADF (Bad file descriptor) [pid 343] close(24) = -1 EBADF (Bad file descriptor) [pid 343] close(25) = -1 EBADF (Bad file descriptor) [pid 343] close(26) = -1 EBADF (Bad file descriptor) [pid 343] close(27) = -1 EBADF (Bad file descriptor) [pid 343] close(28) = -1 EBADF (Bad file descriptor) [pid 343] close(29) = -1 EBADF (Bad file descriptor) [pid 343] exit_group(0) = ? [pid 343] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./45/binderfs") = 0 [pid 297] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./45/cgroup.net") = 0 [pid 297] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./45/cgroup.cpu") = 0 [pid 297] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./45/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./45") = 0 [pid 297] mkdir("./46", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x555565b1f660, 24) = 0 [pid 344] chdir("./46" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 48 [pid 344] <... chdir resumed>) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 344] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 344] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 344] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 344] write(1, "executing program\n", 18) = 18 [ 24.627075][ T342] incfs: Error allocating mount info. -12 [ 24.632884][ T342] incfs: mount failed -12 [ 24.656774][ T343] incfs: Error allocating mount info. -12 [ 24.662551][ T343] incfs: mount failed -12 [pid 344] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 344] close(3) = -1 EBADF (Bad file descriptor) [pid 344] close(4) = -1 EBADF (Bad file descriptor) [pid 344] close(5) = -1 EBADF (Bad file descriptor) [pid 344] close(6) = -1 EBADF (Bad file descriptor) [pid 344] close(7) = -1 EBADF (Bad file descriptor) [pid 344] close(8) = -1 EBADF (Bad file descriptor) [pid 344] close(9) = -1 EBADF (Bad file descriptor) [pid 344] close(10) = -1 EBADF (Bad file descriptor) [pid 344] close(11) = -1 EBADF (Bad file descriptor) [pid 344] close(12) = -1 EBADF (Bad file descriptor) [pid 344] close(13) = -1 EBADF (Bad file descriptor) [pid 344] close(14) = -1 EBADF (Bad file descriptor) [pid 344] close(15) = -1 EBADF (Bad file descriptor) [pid 344] close(16) = -1 EBADF (Bad file descriptor) [pid 344] close(17) = -1 EBADF (Bad file descriptor) [pid 344] close(18) = -1 EBADF (Bad file descriptor) [pid 344] close(19) = -1 EBADF (Bad file descriptor) [pid 344] close(20) = -1 EBADF (Bad file descriptor) [pid 344] close(21) = -1 EBADF (Bad file descriptor) [pid 344] close(22) = -1 EBADF (Bad file descriptor) [pid 344] close(23) = -1 EBADF (Bad file descriptor) [pid 344] close(24) = -1 EBADF (Bad file descriptor) [pid 344] close(25) = -1 EBADF (Bad file descriptor) [pid 344] close(26) = -1 EBADF (Bad file descriptor) [pid 344] close(27) = -1 EBADF (Bad file descriptor) [pid 344] close(28) = -1 EBADF (Bad file descriptor) [pid 344] close(29) = -1 EBADF (Bad file descriptor) [pid 344] exit_group(0) = ? [pid 344] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./46/binderfs") = 0 [pid 297] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./46/cgroup.net") = 0 [pid 297] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./46/cgroup.cpu") = 0 [pid 297] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./46/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./46") = 0 [pid 297] mkdir("./47", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 49 ./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x555565b1f660, 24) = 0 [pid 345] chdir("./47") = 0 [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 345] setpgid(0, 0) = 0 [pid 345] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 345] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 345] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 345] write(3, "1000", 4) = 4 [pid 345] close(3) = 0 [pid 345] symlink("/dev/binderfs", "./binderfs") = 0 [pid 345] write(1, "executing program\n", 18executing program ) = 18 [pid 345] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 345] close(3) = -1 EBADF (Bad file descriptor) [pid 345] close(4) = -1 EBADF (Bad file descriptor) [pid 345] close(5) = -1 EBADF (Bad file descriptor) [pid 345] close(6) = -1 EBADF (Bad file descriptor) [pid 345] close(7) = -1 EBADF (Bad file descriptor) [pid 345] close(8) = -1 EBADF (Bad file descriptor) [pid 345] close(9) = -1 EBADF (Bad file descriptor) [pid 345] close(10) = -1 EBADF (Bad file descriptor) [pid 345] close(11) = -1 EBADF (Bad file descriptor) [pid 345] close(12) = -1 EBADF (Bad file descriptor) [pid 345] close(13) = -1 EBADF (Bad file descriptor) [pid 345] close(14) = -1 EBADF (Bad file descriptor) [pid 345] close(15) = -1 EBADF (Bad file descriptor) [pid 345] close(16) = -1 EBADF (Bad file descriptor) [pid 345] close(17) = -1 EBADF (Bad file descriptor) [pid 345] close(18) = -1 EBADF (Bad file descriptor) [pid 345] close(19) = -1 EBADF (Bad file descriptor) [pid 345] close(20) = -1 EBADF (Bad file descriptor) [pid 345] close(21) = -1 EBADF (Bad file descriptor) [pid 345] close(22) = -1 EBADF (Bad file descriptor) [pid 345] close(23) = -1 EBADF (Bad file descriptor) [pid 345] close(24) = -1 EBADF (Bad file descriptor) [pid 345] close(25) = -1 EBADF (Bad file descriptor) [pid 345] close(26) = -1 EBADF (Bad file descriptor) [pid 345] close(27) = -1 EBADF (Bad file descriptor) [pid 345] close(28) = -1 EBADF (Bad file descriptor) [pid 345] close(29) = -1 EBADF (Bad file descriptor) [pid 345] exit_group(0) = ? [pid 345] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./47/binderfs") = 0 [pid 297] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./47/cgroup.net") = 0 [pid 297] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./47/cgroup.cpu") = 0 [pid 297] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./47/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./47") = 0 [pid 297] mkdir("./48", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 50 ./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x555565b1f660, 24) = 0 [pid 346] chdir("./48") = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 346] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 346] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 346] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 [pid 346] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 346] write(1, "executing program\n", 18) = 18 [ 24.680328][ T344] incfs: Error allocating mount info. -12 [ 24.686113][ T344] incfs: mount failed -12 [ 24.708963][ T345] incfs: Error allocating mount info. -12 [ 24.714704][ T345] incfs: mount failed -12 [pid 346] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 346] close(3) = -1 EBADF (Bad file descriptor) [pid 346] close(4) = -1 EBADF (Bad file descriptor) [pid 346] close(5) = -1 EBADF (Bad file descriptor) [pid 346] close(6) = -1 EBADF (Bad file descriptor) [pid 346] close(7) = -1 EBADF (Bad file descriptor) [pid 346] close(8) = -1 EBADF (Bad file descriptor) [pid 346] close(9) = -1 EBADF (Bad file descriptor) [pid 346] close(10) = -1 EBADF (Bad file descriptor) [pid 346] close(11) = -1 EBADF (Bad file descriptor) [pid 346] close(12) = -1 EBADF (Bad file descriptor) [pid 346] close(13) = -1 EBADF (Bad file descriptor) [pid 346] close(14) = -1 EBADF (Bad file descriptor) [pid 346] close(15) = -1 EBADF (Bad file descriptor) [pid 346] close(16) = -1 EBADF (Bad file descriptor) [pid 346] close(17) = -1 EBADF (Bad file descriptor) [pid 346] close(18) = -1 EBADF (Bad file descriptor) [pid 346] close(19) = -1 EBADF (Bad file descriptor) [pid 346] close(20) = -1 EBADF (Bad file descriptor) [pid 346] close(21) = -1 EBADF (Bad file descriptor) [pid 346] close(22) = -1 EBADF (Bad file descriptor) [pid 346] close(23) = -1 EBADF (Bad file descriptor) [pid 346] close(24) = -1 EBADF (Bad file descriptor) [pid 346] close(25) = -1 EBADF (Bad file descriptor) [pid 346] close(26) = -1 EBADF (Bad file descriptor) [pid 346] close(27) = -1 EBADF (Bad file descriptor) [pid 346] close(28) = -1 EBADF (Bad file descriptor) [pid 346] close(29) = -1 EBADF (Bad file descriptor) [pid 346] exit_group(0) = ? [pid 346] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./48/binderfs") = 0 [pid 297] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./48/cgroup.net") = 0 [pid 297] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./48/cgroup.cpu") = 0 [pid 297] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./48/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./48") = 0 [pid 297] mkdir("./49", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 51 ./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x555565b1f660, 24) = 0 [pid 347] chdir("./49") = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 347] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 [pid 347] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 347] write(1, "executing program\n", 18) = 18 [pid 347] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 347] close(3) = -1 EBADF (Bad file descriptor) [pid 347] close(4) = -1 EBADF (Bad file descriptor) [pid 347] close(5) = -1 EBADF (Bad file descriptor) [pid 347] close(6) = -1 EBADF (Bad file descriptor) [pid 347] close(7) = -1 EBADF (Bad file descriptor) [pid 347] close(8) = -1 EBADF (Bad file descriptor) [pid 347] close(9) = -1 EBADF (Bad file descriptor) [pid 347] close(10) = -1 EBADF (Bad file descriptor) [pid 347] close(11) = -1 EBADF (Bad file descriptor) [pid 347] close(12) = -1 EBADF (Bad file descriptor) [pid 347] close(13) = -1 EBADF (Bad file descriptor) [pid 347] close(14) = -1 EBADF (Bad file descriptor) [pid 347] close(15) = -1 EBADF (Bad file descriptor) [pid 347] close(16) = -1 EBADF (Bad file descriptor) [pid 347] close(17) = -1 EBADF (Bad file descriptor) [pid 347] close(18) = -1 EBADF (Bad file descriptor) [pid 347] close(19) = -1 EBADF (Bad file descriptor) [pid 347] close(20) = -1 EBADF (Bad file descriptor) [pid 347] close(21) = -1 EBADF (Bad file descriptor) [pid 347] close(22) = -1 EBADF (Bad file descriptor) [pid 347] close(23) = -1 EBADF (Bad file descriptor) [pid 347] close(24) = -1 EBADF (Bad file descriptor) [pid 347] close(25) = -1 EBADF (Bad file descriptor) [pid 347] close(26) = -1 EBADF (Bad file descriptor) [pid 347] close(27) = -1 EBADF (Bad file descriptor) [pid 347] close(28) = -1 EBADF (Bad file descriptor) [pid 347] close(29) = -1 EBADF (Bad file descriptor) [pid 347] exit_group(0) = ? [pid 347] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./49/binderfs") = 0 [pid 297] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./49/cgroup.net") = 0 [pid 297] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./49/cgroup.cpu") = 0 [pid 297] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./49/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./49") = 0 [pid 297] mkdir("./50", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 52 ./strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x555565b1f660, 24) = 0 [pid 348] chdir("./50") = 0 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] setpgid(0, 0) = 0 [pid 348] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 348] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 348] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 executing program [pid 348] symlink("/dev/binderfs", "./binderfs") = 0 [pid 348] write(1, "executing program\n", 18) = 18 [ 24.739564][ T346] incfs: Error allocating mount info. -12 [ 24.745315][ T346] incfs: mount failed -12 [ 24.769724][ T347] incfs: Error allocating mount info. -12 [ 24.775475][ T347] incfs: mount failed -12 [pid 348] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 348] close(3) = -1 EBADF (Bad file descriptor) [pid 348] close(4) = -1 EBADF (Bad file descriptor) [pid 348] close(5) = -1 EBADF (Bad file descriptor) [pid 348] close(6) = -1 EBADF (Bad file descriptor) [pid 348] close(7) = -1 EBADF (Bad file descriptor) [pid 348] close(8) = -1 EBADF (Bad file descriptor) [pid 348] close(9) = -1 EBADF (Bad file descriptor) [pid 348] close(10) = -1 EBADF (Bad file descriptor) [pid 348] close(11) = -1 EBADF (Bad file descriptor) [pid 348] close(12) = -1 EBADF (Bad file descriptor) [pid 348] close(13) = -1 EBADF (Bad file descriptor) [pid 348] close(14) = -1 EBADF (Bad file descriptor) [pid 348] close(15) = -1 EBADF (Bad file descriptor) [pid 348] close(16) = -1 EBADF (Bad file descriptor) [pid 348] close(17) = -1 EBADF (Bad file descriptor) [pid 348] close(18) = -1 EBADF (Bad file descriptor) [pid 348] close(19) = -1 EBADF (Bad file descriptor) [pid 348] close(20) = -1 EBADF (Bad file descriptor) [pid 348] close(21) = -1 EBADF (Bad file descriptor) [pid 348] close(22) = -1 EBADF (Bad file descriptor) [pid 348] close(23) = -1 EBADF (Bad file descriptor) [pid 348] close(24) = -1 EBADF (Bad file descriptor) [pid 348] close(25) = -1 EBADF (Bad file descriptor) [pid 348] close(26) = -1 EBADF (Bad file descriptor) [pid 348] close(27) = -1 EBADF (Bad file descriptor) [pid 348] close(28) = -1 EBADF (Bad file descriptor) [pid 348] close(29) = -1 EBADF (Bad file descriptor) [pid 348] exit_group(0) = ? [pid 348] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./50/binderfs") = 0 [pid 297] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./50/cgroup.net") = 0 [pid 297] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./50/cgroup.cpu") = 0 [pid 297] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./50/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./50") = 0 [pid 297] mkdir("./51", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 53 ./strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x555565b1f660, 24) = 0 [pid 349] chdir("./51") = 0 [pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 349] setpgid(0, 0) = 0 [pid 349] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 349] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 349] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 349] write(3, "1000", 4) = 4 [pid 349] close(3) = 0 [pid 349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 349] write(1, "executing program\n", 18executing program ) = 18 [pid 349] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 349] close(3) = -1 EBADF (Bad file descriptor) [pid 349] close(4) = -1 EBADF (Bad file descriptor) [pid 349] close(5) = -1 EBADF (Bad file descriptor) [pid 349] close(6) = -1 EBADF (Bad file descriptor) [pid 349] close(7) = -1 EBADF (Bad file descriptor) [pid 349] close(8) = -1 EBADF (Bad file descriptor) [pid 349] close(9) = -1 EBADF (Bad file descriptor) [pid 349] close(10) = -1 EBADF (Bad file descriptor) [pid 349] close(11) = -1 EBADF (Bad file descriptor) [pid 349] close(12) = -1 EBADF (Bad file descriptor) [pid 349] close(13) = -1 EBADF (Bad file descriptor) [pid 349] close(14) = -1 EBADF (Bad file descriptor) [pid 349] close(15) = -1 EBADF (Bad file descriptor) [pid 349] close(16) = -1 EBADF (Bad file descriptor) [pid 349] close(17) = -1 EBADF (Bad file descriptor) [pid 349] close(18) = -1 EBADF (Bad file descriptor) [pid 349] close(19) = -1 EBADF (Bad file descriptor) [pid 349] close(20) = -1 EBADF (Bad file descriptor) [pid 349] close(21) = -1 EBADF (Bad file descriptor) [pid 349] close(22) = -1 EBADF (Bad file descriptor) [pid 349] close(23) = -1 EBADF (Bad file descriptor) [pid 349] close(24) = -1 EBADF (Bad file descriptor) [pid 349] close(25) = -1 EBADF (Bad file descriptor) [pid 349] close(26) = -1 EBADF (Bad file descriptor) [pid 349] close(27) = -1 EBADF (Bad file descriptor) [pid 349] close(28) = -1 EBADF (Bad file descriptor) [pid 349] close(29) = -1 EBADF (Bad file descriptor) [pid 349] exit_group(0) = ? [pid 349] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./51/binderfs") = 0 [pid 297] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./51/cgroup.net") = 0 [pid 297] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./51/cgroup.cpu") = 0 [pid 297] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./51/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./51") = 0 [pid 297] mkdir("./52", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x555565b1f660, 24) = 0 [pid 350] chdir("./52") = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 54 [pid 350] <... symlink resumed>) = 0 [pid 350] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 350] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 [pid 350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 350] write(1, "executing program\n", 18executing program ) = 18 [ 24.795862][ T348] incfs: Error allocating mount info. -12 [ 24.801666][ T348] incfs: mount failed -12 [ 24.820308][ T349] incfs: Error allocating mount info. -12 [ 24.826053][ T349] incfs: mount failed -12 [pid 350] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 350] close(3) = -1 EBADF (Bad file descriptor) [pid 350] close(4) = -1 EBADF (Bad file descriptor) [pid 350] close(5) = -1 EBADF (Bad file descriptor) [pid 350] close(6) = -1 EBADF (Bad file descriptor) [pid 350] close(7) = -1 EBADF (Bad file descriptor) [pid 350] close(8) = -1 EBADF (Bad file descriptor) [pid 350] close(9) = -1 EBADF (Bad file descriptor) [pid 350] close(10) = -1 EBADF (Bad file descriptor) [pid 350] close(11) = -1 EBADF (Bad file descriptor) [pid 350] close(12) = -1 EBADF (Bad file descriptor) [pid 350] close(13) = -1 EBADF (Bad file descriptor) [pid 350] close(14) = -1 EBADF (Bad file descriptor) [pid 350] close(15) = -1 EBADF (Bad file descriptor) [pid 350] close(16) = -1 EBADF (Bad file descriptor) [pid 350] close(17) = -1 EBADF (Bad file descriptor) [pid 350] close(18) = -1 EBADF (Bad file descriptor) [pid 350] close(19) = -1 EBADF (Bad file descriptor) [pid 350] close(20) = -1 EBADF (Bad file descriptor) [pid 350] close(21) = -1 EBADF (Bad file descriptor) [pid 350] close(22) = -1 EBADF (Bad file descriptor) [pid 350] close(23) = -1 EBADF (Bad file descriptor) [pid 350] close(24) = -1 EBADF (Bad file descriptor) [pid 350] close(25) = -1 EBADF (Bad file descriptor) [pid 350] close(26) = -1 EBADF (Bad file descriptor) [pid 350] close(27) = -1 EBADF (Bad file descriptor) [pid 350] close(28) = -1 EBADF (Bad file descriptor) [pid 350] close(29) = -1 EBADF (Bad file descriptor) [pid 350] exit_group(0) = ? [pid 350] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./52/binderfs") = 0 [pid 297] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./52/cgroup.net") = 0 [pid 297] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./52/cgroup.cpu") = 0 [pid 297] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./52/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./52") = 0 [pid 297] mkdir("./53", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 55 ./strace-static-x86_64: Process 351 attached [pid 351] set_robust_list(0x555565b1f660, 24) = 0 [pid 351] chdir("./53") = 0 [pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 351] setpgid(0, 0) = 0 [pid 351] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 351] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 351] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 351] write(3, "1000", 4) = 4 [pid 351] close(3) = 0 [pid 351] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 351] write(1, "executing program\n", 18) = 18 [pid 351] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 351] close(3) = -1 EBADF (Bad file descriptor) [pid 351] close(4) = -1 EBADF (Bad file descriptor) [pid 351] close(5) = -1 EBADF (Bad file descriptor) [pid 351] close(6) = -1 EBADF (Bad file descriptor) [pid 351] close(7) = -1 EBADF (Bad file descriptor) [pid 351] close(8) = -1 EBADF (Bad file descriptor) [pid 351] close(9) = -1 EBADF (Bad file descriptor) [pid 351] close(10) = -1 EBADF (Bad file descriptor) [pid 351] close(11) = -1 EBADF (Bad file descriptor) [pid 351] close(12) = -1 EBADF (Bad file descriptor) [pid 351] close(13) = -1 EBADF (Bad file descriptor) [pid 351] close(14) = -1 EBADF (Bad file descriptor) [pid 351] close(15) = -1 EBADF (Bad file descriptor) [pid 351] close(16) = -1 EBADF (Bad file descriptor) [pid 351] close(17) = -1 EBADF (Bad file descriptor) [pid 351] close(18) = -1 EBADF (Bad file descriptor) [pid 351] close(19) = -1 EBADF (Bad file descriptor) [pid 351] close(20) = -1 EBADF (Bad file descriptor) [pid 351] close(21) = -1 EBADF (Bad file descriptor) [pid 351] close(22) = -1 EBADF (Bad file descriptor) [pid 351] close(23) = -1 EBADF (Bad file descriptor) [pid 351] close(24) = -1 EBADF (Bad file descriptor) [pid 351] close(25) = -1 EBADF (Bad file descriptor) [pid 351] close(26) = -1 EBADF (Bad file descriptor) [pid 351] close(27) = -1 EBADF (Bad file descriptor) [pid 351] close(28) = -1 EBADF (Bad file descriptor) [pid 351] close(29) = -1 EBADF (Bad file descriptor) [pid 351] exit_group(0) = ? [pid 351] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./53/binderfs") = 0 [pid 297] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./53/cgroup.net") = 0 [pid 297] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./53/cgroup.cpu") = 0 [pid 297] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./53/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./53") = 0 [pid 297] mkdir("./54", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x555565b1f660, 24) = 0 [pid 352] chdir("./54" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 56 [pid 352] <... chdir resumed>) = 0 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 352] setpgid(0, 0) = 0 [pid 352] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 352] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 352] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 352] write(3, "1000", 4) = 4 [pid 352] close(3) = 0 [pid 352] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 352] write(1, "executing program\n", 18) = 18 [ 24.845498][ T350] incfs: Error allocating mount info. -12 [ 24.851269][ T350] incfs: mount failed -12 [ 24.874362][ T351] incfs: Error allocating mount info. -12 [ 24.880136][ T351] incfs: mount failed -12 [pid 352] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 352] close(3) = -1 EBADF (Bad file descriptor) [pid 352] close(4) = -1 EBADF (Bad file descriptor) [pid 352] close(5) = -1 EBADF (Bad file descriptor) [pid 352] close(6) = -1 EBADF (Bad file descriptor) [pid 352] close(7) = -1 EBADF (Bad file descriptor) [pid 352] close(8) = -1 EBADF (Bad file descriptor) [pid 352] close(9) = -1 EBADF (Bad file descriptor) [pid 352] close(10) = -1 EBADF (Bad file descriptor) [pid 352] close(11) = -1 EBADF (Bad file descriptor) [pid 352] close(12) = -1 EBADF (Bad file descriptor) [pid 352] close(13) = -1 EBADF (Bad file descriptor) [pid 352] close(14) = -1 EBADF (Bad file descriptor) [pid 352] close(15) = -1 EBADF (Bad file descriptor) [pid 352] close(16) = -1 EBADF (Bad file descriptor) [pid 352] close(17) = -1 EBADF (Bad file descriptor) [pid 352] close(18) = -1 EBADF (Bad file descriptor) [pid 352] close(19) = -1 EBADF (Bad file descriptor) [pid 352] close(20) = -1 EBADF (Bad file descriptor) [pid 352] close(21) = -1 EBADF (Bad file descriptor) [pid 352] close(22) = -1 EBADF (Bad file descriptor) [pid 352] close(23) = -1 EBADF (Bad file descriptor) [pid 352] close(24) = -1 EBADF (Bad file descriptor) [pid 352] close(25) = -1 EBADF (Bad file descriptor) [pid 352] close(26) = -1 EBADF (Bad file descriptor) [pid 352] close(27) = -1 EBADF (Bad file descriptor) [pid 352] close(28) = -1 EBADF (Bad file descriptor) [pid 352] close(29) = -1 EBADF (Bad file descriptor) [pid 352] exit_group(0) = ? [pid 352] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./54/binderfs") = 0 [pid 297] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./54/cgroup.net") = 0 [pid 297] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./54/cgroup.cpu") = 0 [pid 297] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./54/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./54") = 0 [pid 297] mkdir("./55", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 57 ./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x555565b1f660, 24) = 0 [pid 353] chdir("./55") = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 353] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 353] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3) = 0 [pid 353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 353] write(1, "executing program\n", 18executing program ) = 18 [pid 353] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 353] close(3) = -1 EBADF (Bad file descriptor) [pid 353] close(4) = -1 EBADF (Bad file descriptor) [pid 353] close(5) = -1 EBADF (Bad file descriptor) [pid 353] close(6) = -1 EBADF (Bad file descriptor) [pid 353] close(7) = -1 EBADF (Bad file descriptor) [pid 353] close(8) = -1 EBADF (Bad file descriptor) [pid 353] close(9) = -1 EBADF (Bad file descriptor) [pid 353] close(10) = -1 EBADF (Bad file descriptor) [pid 353] close(11) = -1 EBADF (Bad file descriptor) [pid 353] close(12) = -1 EBADF (Bad file descriptor) [pid 353] close(13) = -1 EBADF (Bad file descriptor) [pid 353] close(14) = -1 EBADF (Bad file descriptor) [pid 353] close(15) = -1 EBADF (Bad file descriptor) [pid 353] close(16) = -1 EBADF (Bad file descriptor) [pid 353] close(17) = -1 EBADF (Bad file descriptor) [pid 353] close(18) = -1 EBADF (Bad file descriptor) [pid 353] close(19) = -1 EBADF (Bad file descriptor) [pid 353] close(20) = -1 EBADF (Bad file descriptor) [pid 353] close(21) = -1 EBADF (Bad file descriptor) [pid 353] close(22) = -1 EBADF (Bad file descriptor) [pid 353] close(23) = -1 EBADF (Bad file descriptor) [pid 353] close(24) = -1 EBADF (Bad file descriptor) [pid 353] close(25) = -1 EBADF (Bad file descriptor) [pid 353] close(26) = -1 EBADF (Bad file descriptor) [pid 353] close(27) = -1 EBADF (Bad file descriptor) [pid 353] close(28) = -1 EBADF (Bad file descriptor) [pid 353] close(29) = -1 EBADF (Bad file descriptor) [pid 353] exit_group(0) = ? [pid 353] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./55/binderfs") = 0 [pid 297] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./55/cgroup.net") = 0 [pid 297] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./55/cgroup.cpu") = 0 [pid 297] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./55/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./55") = 0 [pid 297] mkdir("./56", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 58 ./strace-static-x86_64: Process 354 attached [pid 354] set_robust_list(0x555565b1f660, 24) = 0 [pid 354] chdir("./56") = 0 [pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 354] setpgid(0, 0) = 0 [pid 354] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 354] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 354] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 354] write(3, "1000", 4) = 4 [pid 354] close(3) = 0 [pid 354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 354] write(1, "executing program\n", 18executing program ) = 18 [ 24.901676][ T352] incfs: Error allocating mount info. -12 [ 24.907456][ T352] incfs: mount failed -12 [ 24.928992][ T353] incfs: Error allocating mount info. -12 [ 24.934741][ T353] incfs: mount failed -12 [pid 354] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 354] close(3) = -1 EBADF (Bad file descriptor) [pid 354] close(4) = -1 EBADF (Bad file descriptor) [pid 354] close(5) = -1 EBADF (Bad file descriptor) [pid 354] close(6) = -1 EBADF (Bad file descriptor) [pid 354] close(7) = -1 EBADF (Bad file descriptor) [pid 354] close(8) = -1 EBADF (Bad file descriptor) [pid 354] close(9) = -1 EBADF (Bad file descriptor) [pid 354] close(10) = -1 EBADF (Bad file descriptor) [pid 354] close(11) = -1 EBADF (Bad file descriptor) [pid 354] close(12) = -1 EBADF (Bad file descriptor) [pid 354] close(13) = -1 EBADF (Bad file descriptor) [pid 354] close(14) = -1 EBADF (Bad file descriptor) [pid 354] close(15) = -1 EBADF (Bad file descriptor) [pid 354] close(16) = -1 EBADF (Bad file descriptor) [pid 354] close(17) = -1 EBADF (Bad file descriptor) [pid 354] close(18) = -1 EBADF (Bad file descriptor) [pid 354] close(19) = -1 EBADF (Bad file descriptor) [pid 354] close(20) = -1 EBADF (Bad file descriptor) [pid 354] close(21) = -1 EBADF (Bad file descriptor) [pid 354] close(22) = -1 EBADF (Bad file descriptor) [pid 354] close(23) = -1 EBADF (Bad file descriptor) [pid 354] close(24) = -1 EBADF (Bad file descriptor) [pid 354] close(25) = -1 EBADF (Bad file descriptor) [pid 354] close(26) = -1 EBADF (Bad file descriptor) [pid 354] close(27) = -1 EBADF (Bad file descriptor) [pid 354] close(28) = -1 EBADF (Bad file descriptor) [pid 354] close(29) = -1 EBADF (Bad file descriptor) [pid 354] exit_group(0) = ? [pid 354] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./56/binderfs") = 0 [pid 297] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./56/cgroup.net") = 0 [pid 297] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./56/cgroup.cpu") = 0 [pid 297] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./56/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./56") = 0 [pid 297] mkdir("./57", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 355 attached [pid 355] set_robust_list(0x555565b1f660, 24) = 0 [pid 355] chdir("./57" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 59 [pid 355] <... chdir resumed>) = 0 [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 355] setpgid(0, 0) = 0 [pid 355] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 355] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 355] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 355] write(3, "1000", 4) = 4 [pid 355] close(3) = 0 [pid 355] symlink("/dev/binderfs", "./binderfs") = 0 [pid 355] write(1, "executing program\n", 18executing program ) = 18 [pid 355] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 355] close(3) = -1 EBADF (Bad file descriptor) [pid 355] close(4) = -1 EBADF (Bad file descriptor) [pid 355] close(5) = -1 EBADF (Bad file descriptor) [pid 355] close(6) = -1 EBADF (Bad file descriptor) [pid 355] close(7) = -1 EBADF (Bad file descriptor) [pid 355] close(8) = -1 EBADF (Bad file descriptor) [pid 355] close(9) = -1 EBADF (Bad file descriptor) [pid 355] close(10) = -1 EBADF (Bad file descriptor) [pid 355] close(11) = -1 EBADF (Bad file descriptor) [pid 355] close(12) = -1 EBADF (Bad file descriptor) [pid 355] close(13) = -1 EBADF (Bad file descriptor) [pid 355] close(14) = -1 EBADF (Bad file descriptor) [pid 355] close(15) = -1 EBADF (Bad file descriptor) [pid 355] close(16) = -1 EBADF (Bad file descriptor) [pid 355] close(17) = -1 EBADF (Bad file descriptor) [pid 355] close(18) = -1 EBADF (Bad file descriptor) [pid 355] close(19) = -1 EBADF (Bad file descriptor) [pid 355] close(20) = -1 EBADF (Bad file descriptor) [pid 355] close(21) = -1 EBADF (Bad file descriptor) [pid 355] close(22) = -1 EBADF (Bad file descriptor) [pid 355] close(23) = -1 EBADF (Bad file descriptor) [pid 355] close(24) = -1 EBADF (Bad file descriptor) [pid 355] close(25) = -1 EBADF (Bad file descriptor) [pid 355] close(26) = -1 EBADF (Bad file descriptor) [pid 355] close(27) = -1 EBADF (Bad file descriptor) [pid 355] close(28) = -1 EBADF (Bad file descriptor) [pid 355] close(29) = -1 EBADF (Bad file descriptor) [pid 355] exit_group(0) = ? [pid 355] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./57/binderfs") = 0 [pid 297] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./57/cgroup.net") = 0 [pid 297] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./57/cgroup.cpu") = 0 [pid 297] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./57/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./57") = 0 [pid 297] mkdir("./58", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 60 ./strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x555565b1f660, 24) = 0 [pid 356] chdir("./58") = 0 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setpgid(0, 0) = 0 [pid 356] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 356] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 356] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 356] write(3, "1000", 4) = 4 [pid 356] close(3) = 0 [pid 356] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 24.957741][ T354] incfs: Error allocating mount info. -12 [ 24.963573][ T354] incfs: mount failed -12 [ 24.982785][ T355] incfs: Error allocating mount info. -12 [ 24.988610][ T355] incfs: mount failed -12 [pid 356] write(1, "executing program\n", 18) = 18 [pid 356] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 356] close(3) = -1 EBADF (Bad file descriptor) [pid 356] close(4) = -1 EBADF (Bad file descriptor) [pid 356] close(5) = -1 EBADF (Bad file descriptor) [pid 356] close(6) = -1 EBADF (Bad file descriptor) [pid 356] close(7) = -1 EBADF (Bad file descriptor) [pid 356] close(8) = -1 EBADF (Bad file descriptor) [pid 356] close(9) = -1 EBADF (Bad file descriptor) [pid 356] close(10) = -1 EBADF (Bad file descriptor) [pid 356] close(11) = -1 EBADF (Bad file descriptor) [pid 356] close(12) = -1 EBADF (Bad file descriptor) [pid 356] close(13) = -1 EBADF (Bad file descriptor) [pid 356] close(14) = -1 EBADF (Bad file descriptor) [pid 356] close(15) = -1 EBADF (Bad file descriptor) [pid 356] close(16) = -1 EBADF (Bad file descriptor) [pid 356] close(17) = -1 EBADF (Bad file descriptor) [pid 356] close(18) = -1 EBADF (Bad file descriptor) [pid 356] close(19) = -1 EBADF (Bad file descriptor) [pid 356] close(20) = -1 EBADF (Bad file descriptor) [pid 356] close(21) = -1 EBADF (Bad file descriptor) [pid 356] close(22) = -1 EBADF (Bad file descriptor) [pid 356] close(23) = -1 EBADF (Bad file descriptor) [pid 356] close(24) = -1 EBADF (Bad file descriptor) [pid 356] close(25) = -1 EBADF (Bad file descriptor) [pid 356] close(26) = -1 EBADF (Bad file descriptor) [pid 356] close(27) = -1 EBADF (Bad file descriptor) [pid 356] close(28) = -1 EBADF (Bad file descriptor) [pid 356] close(29) = -1 EBADF (Bad file descriptor) [pid 356] exit_group(0) = ? [pid 356] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./58/binderfs") = 0 [pid 297] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./58/cgroup.net") = 0 [pid 297] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./58/cgroup.cpu") = 0 [pid 297] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./58/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./58") = 0 [pid 297] mkdir("./59", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 61 ./strace-static-x86_64: Process 357 attached [pid 357] set_robust_list(0x555565b1f660, 24) = 0 [pid 357] chdir("./59") = 0 [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 357] setpgid(0, 0) = 0 [pid 357] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 357] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 357] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 357] write(3, "1000", 4) = 4 [pid 357] close(3) = 0 [pid 357] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 357] write(1, "executing program\n", 18) = 18 [pid 357] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 357] close(3) = -1 EBADF (Bad file descriptor) [pid 357] close(4) = -1 EBADF (Bad file descriptor) [pid 357] close(5) = -1 EBADF (Bad file descriptor) [pid 357] close(6) = -1 EBADF (Bad file descriptor) [pid 357] close(7) = -1 EBADF (Bad file descriptor) [pid 357] close(8) = -1 EBADF (Bad file descriptor) [pid 357] close(9) = -1 EBADF (Bad file descriptor) [pid 357] close(10) = -1 EBADF (Bad file descriptor) [pid 357] close(11) = -1 EBADF (Bad file descriptor) [pid 357] close(12) = -1 EBADF (Bad file descriptor) [pid 357] close(13) = -1 EBADF (Bad file descriptor) [pid 357] close(14) = -1 EBADF (Bad file descriptor) [pid 357] close(15) = -1 EBADF (Bad file descriptor) [pid 357] close(16) = -1 EBADF (Bad file descriptor) [pid 357] close(17) = -1 EBADF (Bad file descriptor) [pid 357] close(18) = -1 EBADF (Bad file descriptor) [pid 357] close(19) = -1 EBADF (Bad file descriptor) [pid 357] close(20) = -1 EBADF (Bad file descriptor) [pid 357] close(21) = -1 EBADF (Bad file descriptor) [pid 357] close(22) = -1 EBADF (Bad file descriptor) [pid 357] close(23) = -1 EBADF (Bad file descriptor) [pid 357] close(24) = -1 EBADF (Bad file descriptor) [pid 357] close(25) = -1 EBADF (Bad file descriptor) [pid 357] close(26) = -1 EBADF (Bad file descriptor) [pid 357] close(27) = -1 EBADF (Bad file descriptor) [pid 357] close(28) = -1 EBADF (Bad file descriptor) [pid 357] close(29) = -1 EBADF (Bad file descriptor) [pid 357] exit_group(0) = ? [pid 357] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./59/binderfs") = 0 [pid 297] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./59/cgroup.net") = 0 [pid 297] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./59/cgroup.cpu") = 0 [pid 297] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./59/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./59") = 0 [pid 297] mkdir("./60", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 62 ./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x555565b1f660, 24) = 0 [pid 358] chdir("./60") = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 358] setpgid(0, 0) = 0 [pid 358] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 358] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 358] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 358] write(3, "1000", 4) = 4 [pid 358] close(3) = 0 [pid 358] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 358] write(1, "executing program\n", 18) = 18 [ 25.009080][ T356] incfs: Error allocating mount info. -12 [ 25.014879][ T356] incfs: mount failed -12 [ 25.036393][ T357] incfs: Error allocating mount info. -12 [ 25.042258][ T357] incfs: mount failed -12 [pid 358] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 358] close(3) = -1 EBADF (Bad file descriptor) [pid 358] close(4) = -1 EBADF (Bad file descriptor) [pid 358] close(5) = -1 EBADF (Bad file descriptor) [pid 358] close(6) = -1 EBADF (Bad file descriptor) [pid 358] close(7) = -1 EBADF (Bad file descriptor) [pid 358] close(8) = -1 EBADF (Bad file descriptor) [pid 358] close(9) = -1 EBADF (Bad file descriptor) [pid 358] close(10) = -1 EBADF (Bad file descriptor) [pid 358] close(11) = -1 EBADF (Bad file descriptor) [pid 358] close(12) = -1 EBADF (Bad file descriptor) [pid 358] close(13) = -1 EBADF (Bad file descriptor) [pid 358] close(14) = -1 EBADF (Bad file descriptor) [pid 358] close(15) = -1 EBADF (Bad file descriptor) [pid 358] close(16) = -1 EBADF (Bad file descriptor) [pid 358] close(17) = -1 EBADF (Bad file descriptor) [pid 358] close(18) = -1 EBADF (Bad file descriptor) [pid 358] close(19) = -1 EBADF (Bad file descriptor) [pid 358] close(20) = -1 EBADF (Bad file descriptor) [pid 358] close(21) = -1 EBADF (Bad file descriptor) [pid 358] close(22) = -1 EBADF (Bad file descriptor) [pid 358] close(23) = -1 EBADF (Bad file descriptor) [pid 358] close(24) = -1 EBADF (Bad file descriptor) [pid 358] close(25) = -1 EBADF (Bad file descriptor) [pid 358] close(26) = -1 EBADF (Bad file descriptor) [pid 358] close(27) = -1 EBADF (Bad file descriptor) [pid 358] close(28) = -1 EBADF (Bad file descriptor) [pid 358] close(29) = -1 EBADF (Bad file descriptor) [pid 358] exit_group(0) = ? [pid 358] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./60/binderfs") = 0 [pid 297] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./60/cgroup.net") = 0 [pid 297] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./60/cgroup.cpu") = 0 [pid 297] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./60/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./60") = 0 [pid 297] mkdir("./61", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 359 attached , child_tidptr=0x555565b1f650) = 63 [pid 359] set_robust_list(0x555565b1f660, 24) = 0 [pid 359] chdir("./61") = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 359] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 359] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 [pid 359] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 359] write(1, "executing program\n", 18) = 18 [pid 359] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 359] close(3) = -1 EBADF (Bad file descriptor) [pid 359] close(4) = -1 EBADF (Bad file descriptor) [pid 359] close(5) = -1 EBADF (Bad file descriptor) [pid 359] close(6) = -1 EBADF (Bad file descriptor) [pid 359] close(7) = -1 EBADF (Bad file descriptor) [pid 359] close(8) = -1 EBADF (Bad file descriptor) [pid 359] close(9) = -1 EBADF (Bad file descriptor) [pid 359] close(10) = -1 EBADF (Bad file descriptor) [pid 359] close(11) = -1 EBADF (Bad file descriptor) [pid 359] close(12) = -1 EBADF (Bad file descriptor) [pid 359] close(13) = -1 EBADF (Bad file descriptor) [pid 359] close(14) = -1 EBADF (Bad file descriptor) [pid 359] close(15) = -1 EBADF (Bad file descriptor) [pid 359] close(16) = -1 EBADF (Bad file descriptor) [pid 359] close(17) = -1 EBADF (Bad file descriptor) [pid 359] close(18) = -1 EBADF (Bad file descriptor) [pid 359] close(19) = -1 EBADF (Bad file descriptor) [pid 359] close(20) = -1 EBADF (Bad file descriptor) [pid 359] close(21) = -1 EBADF (Bad file descriptor) [pid 359] close(22) = -1 EBADF (Bad file descriptor) [pid 359] close(23) = -1 EBADF (Bad file descriptor) [pid 359] close(24) = -1 EBADF (Bad file descriptor) [pid 359] close(25) = -1 EBADF (Bad file descriptor) [pid 359] close(26) = -1 EBADF (Bad file descriptor) [pid 359] close(27) = -1 EBADF (Bad file descriptor) [pid 359] close(28) = -1 EBADF (Bad file descriptor) [pid 359] close(29) = -1 EBADF (Bad file descriptor) [pid 359] exit_group(0) = ? [pid 359] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./61/binderfs") = 0 [pid 297] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./61/cgroup.net") = 0 [pid 297] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./61/cgroup.cpu") = 0 [pid 297] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./61/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./61") = 0 [pid 297] mkdir("./62", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x555565b1f660, 24 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 64 [pid 360] <... set_robust_list resumed>) = 0 [pid 360] chdir("./62") = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 360] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 360] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 360] write(1, "executing program\n", 18) = 18 [ 25.064382][ T358] incfs: Error allocating mount info. -12 [ 25.070253][ T358] incfs: mount failed -12 [ 25.095356][ T359] incfs: Error allocating mount info. -12 [ 25.101149][ T359] incfs: mount failed -12 [pid 360] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 360] close(3) = -1 EBADF (Bad file descriptor) [pid 360] close(4) = -1 EBADF (Bad file descriptor) [pid 360] close(5) = -1 EBADF (Bad file descriptor) [pid 360] close(6) = -1 EBADF (Bad file descriptor) [pid 360] close(7) = -1 EBADF (Bad file descriptor) [pid 360] close(8) = -1 EBADF (Bad file descriptor) [pid 360] close(9) = -1 EBADF (Bad file descriptor) [pid 360] close(10) = -1 EBADF (Bad file descriptor) [pid 360] close(11) = -1 EBADF (Bad file descriptor) [pid 360] close(12) = -1 EBADF (Bad file descriptor) [pid 360] close(13) = -1 EBADF (Bad file descriptor) [pid 360] close(14) = -1 EBADF (Bad file descriptor) [pid 360] close(15) = -1 EBADF (Bad file descriptor) [pid 360] close(16) = -1 EBADF (Bad file descriptor) [pid 360] close(17) = -1 EBADF (Bad file descriptor) [pid 360] close(18) = -1 EBADF (Bad file descriptor) [pid 360] close(19) = -1 EBADF (Bad file descriptor) [pid 360] close(20) = -1 EBADF (Bad file descriptor) [pid 360] close(21) = -1 EBADF (Bad file descriptor) [pid 360] close(22) = -1 EBADF (Bad file descriptor) [pid 360] close(23) = -1 EBADF (Bad file descriptor) [pid 360] close(24) = -1 EBADF (Bad file descriptor) [pid 360] close(25) = -1 EBADF (Bad file descriptor) [pid 360] close(26) = -1 EBADF (Bad file descriptor) [pid 360] close(27) = -1 EBADF (Bad file descriptor) [pid 360] close(28) = -1 EBADF (Bad file descriptor) [pid 360] close(29) = -1 EBADF (Bad file descriptor) [pid 360] exit_group(0) = ? [pid 360] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./62/binderfs") = 0 [pid 297] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./62/cgroup.net") = 0 [pid 297] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./62/cgroup.cpu") = 0 [pid 297] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./62/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./62") = 0 [pid 297] mkdir("./63", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 65 ./strace-static-x86_64: Process 361 attached [pid 361] set_robust_list(0x555565b1f660, 24) = 0 [pid 361] chdir("./63") = 0 [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 361] setpgid(0, 0) = 0 [pid 361] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 361] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 361] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 361] write(3, "1000", 4) = 4 [pid 361] close(3) = 0 [pid 361] symlink("/dev/binderfs", "./binderfs") = 0 [pid 361] write(1, "executing program\n", 18executing program ) = 18 [pid 361] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 361] close(3) = -1 EBADF (Bad file descriptor) [pid 361] close(4) = -1 EBADF (Bad file descriptor) [pid 361] close(5) = -1 EBADF (Bad file descriptor) [pid 361] close(6) = -1 EBADF (Bad file descriptor) [pid 361] close(7) = -1 EBADF (Bad file descriptor) [pid 361] close(8) = -1 EBADF (Bad file descriptor) [pid 361] close(9) = -1 EBADF (Bad file descriptor) [pid 361] close(10) = -1 EBADF (Bad file descriptor) [pid 361] close(11) = -1 EBADF (Bad file descriptor) [pid 361] close(12) = -1 EBADF (Bad file descriptor) [pid 361] close(13) = -1 EBADF (Bad file descriptor) [pid 361] close(14) = -1 EBADF (Bad file descriptor) [pid 361] close(15) = -1 EBADF (Bad file descriptor) [pid 361] close(16) = -1 EBADF (Bad file descriptor) [pid 361] close(17) = -1 EBADF (Bad file descriptor) [pid 361] close(18) = -1 EBADF (Bad file descriptor) [pid 361] close(19) = -1 EBADF (Bad file descriptor) [pid 361] close(20) = -1 EBADF (Bad file descriptor) [pid 361] close(21) = -1 EBADF (Bad file descriptor) [pid 361] close(22) = -1 EBADF (Bad file descriptor) [pid 361] close(23) = -1 EBADF (Bad file descriptor) [pid 361] close(24) = -1 EBADF (Bad file descriptor) [pid 361] close(25) = -1 EBADF (Bad file descriptor) [pid 361] close(26) = -1 EBADF (Bad file descriptor) [pid 361] close(27) = -1 EBADF (Bad file descriptor) [pid 361] close(28) = -1 EBADF (Bad file descriptor) [pid 361] close(29) = -1 EBADF (Bad file descriptor) [pid 361] exit_group(0) = ? [pid 361] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./63/binderfs") = 0 [pid 297] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./63/cgroup.net") = 0 [pid 297] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./63/cgroup.cpu") = 0 [pid 297] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./63/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./63") = 0 [pid 297] mkdir("./64", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 362 attached , child_tidptr=0x555565b1f650) = 66 [pid 362] set_robust_list(0x555565b1f660, 24) = 0 [pid 362] chdir("./64") = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 362] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 362] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 362] write(1, "executing program\n", 18) = 18 [ 25.122759][ T360] incfs: Error allocating mount info. -12 [ 25.128613][ T360] incfs: mount failed -12 [ 25.147886][ T361] incfs: Error allocating mount info. -12 [ 25.153692][ T361] incfs: mount failed -12 [pid 362] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 362] close(3) = -1 EBADF (Bad file descriptor) [pid 362] close(4) = -1 EBADF (Bad file descriptor) [pid 362] close(5) = -1 EBADF (Bad file descriptor) [pid 362] close(6) = -1 EBADF (Bad file descriptor) [pid 362] close(7) = -1 EBADF (Bad file descriptor) [pid 362] close(8) = -1 EBADF (Bad file descriptor) [pid 362] close(9) = -1 EBADF (Bad file descriptor) [pid 362] close(10) = -1 EBADF (Bad file descriptor) [pid 362] close(11) = -1 EBADF (Bad file descriptor) [pid 362] close(12) = -1 EBADF (Bad file descriptor) [pid 362] close(13) = -1 EBADF (Bad file descriptor) [pid 362] close(14) = -1 EBADF (Bad file descriptor) [pid 362] close(15) = -1 EBADF (Bad file descriptor) [pid 362] close(16) = -1 EBADF (Bad file descriptor) [pid 362] close(17) = -1 EBADF (Bad file descriptor) [pid 362] close(18) = -1 EBADF (Bad file descriptor) [pid 362] close(19) = -1 EBADF (Bad file descriptor) [pid 362] close(20) = -1 EBADF (Bad file descriptor) [pid 362] close(21) = -1 EBADF (Bad file descriptor) [pid 362] close(22) = -1 EBADF (Bad file descriptor) [pid 362] close(23) = -1 EBADF (Bad file descriptor) [pid 362] close(24) = -1 EBADF (Bad file descriptor) [pid 362] close(25) = -1 EBADF (Bad file descriptor) [pid 362] close(26) = -1 EBADF (Bad file descriptor) [pid 362] close(27) = -1 EBADF (Bad file descriptor) [pid 362] close(28) = -1 EBADF (Bad file descriptor) [pid 362] close(29) = -1 EBADF (Bad file descriptor) [pid 362] exit_group(0) = ? [pid 362] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./64/binderfs") = 0 [pid 297] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./64/cgroup.net") = 0 [pid 297] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./64/cgroup.cpu") = 0 [pid 297] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./64/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./64") = 0 [pid 297] mkdir("./65", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x555565b1f660, 24) = 0 [pid 363] chdir("./65") = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 363] setpgid(0, 0) = 0 [pid 363] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 67 [pid 363] <... symlink resumed>) = 0 [pid 363] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 363] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 363] write(3, "1000", 4) = 4 [pid 363] close(3) = 0 [pid 363] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 363] write(1, "executing program\n", 18) = 18 [pid 363] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 363] close(3) = -1 EBADF (Bad file descriptor) [pid 363] close(4) = -1 EBADF (Bad file descriptor) [pid 363] close(5) = -1 EBADF (Bad file descriptor) [pid 363] close(6) = -1 EBADF (Bad file descriptor) [pid 363] close(7) = -1 EBADF (Bad file descriptor) [pid 363] close(8) = -1 EBADF (Bad file descriptor) [pid 363] close(9) = -1 EBADF (Bad file descriptor) [pid 363] close(10) = -1 EBADF (Bad file descriptor) [pid 363] close(11) = -1 EBADF (Bad file descriptor) [pid 363] close(12) = -1 EBADF (Bad file descriptor) [pid 363] close(13) = -1 EBADF (Bad file descriptor) [pid 363] close(14) = -1 EBADF (Bad file descriptor) [pid 363] close(15) = -1 EBADF (Bad file descriptor) [pid 363] close(16) = -1 EBADF (Bad file descriptor) [pid 363] close(17) = -1 EBADF (Bad file descriptor) [pid 363] close(18) = -1 EBADF (Bad file descriptor) [pid 363] close(19) = -1 EBADF (Bad file descriptor) [pid 363] close(20) = -1 EBADF (Bad file descriptor) [pid 363] close(21) = -1 EBADF (Bad file descriptor) [pid 363] close(22) = -1 EBADF (Bad file descriptor) [pid 363] close(23) = -1 EBADF (Bad file descriptor) [pid 363] close(24) = -1 EBADF (Bad file descriptor) [pid 363] close(25) = -1 EBADF (Bad file descriptor) [pid 363] close(26) = -1 EBADF (Bad file descriptor) [pid 363] close(27) = -1 EBADF (Bad file descriptor) [pid 363] close(28) = -1 EBADF (Bad file descriptor) [pid 363] close(29) = -1 EBADF (Bad file descriptor) [pid 363] exit_group(0) = ? [pid 363] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./65/binderfs") = 0 [pid 297] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./65/cgroup.net") = 0 [pid 297] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./65/cgroup.cpu") = 0 [pid 297] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./65/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./65") = 0 [pid 297] mkdir("./66", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 68 ./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x555565b1f660, 24) = 0 [pid 364] chdir("./66") = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 364] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 364] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 364] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4) = 4 [pid 364] close(3) = 0 [pid 364] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [ 25.174231][ T362] incfs: Error allocating mount info. -12 [ 25.179995][ T362] incfs: mount failed -12 [ 25.200662][ T363] incfs: Error allocating mount info. -12 [ 25.206392][ T363] incfs: mount failed -12 [pid 364] write(1, "executing program\n", 18) = 18 [pid 364] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 364] close(3) = -1 EBADF (Bad file descriptor) [pid 364] close(4) = -1 EBADF (Bad file descriptor) [pid 364] close(5) = -1 EBADF (Bad file descriptor) [pid 364] close(6) = -1 EBADF (Bad file descriptor) [pid 364] close(7) = -1 EBADF (Bad file descriptor) [pid 364] close(8) = -1 EBADF (Bad file descriptor) [pid 364] close(9) = -1 EBADF (Bad file descriptor) [pid 364] close(10) = -1 EBADF (Bad file descriptor) [pid 364] close(11) = -1 EBADF (Bad file descriptor) [pid 364] close(12) = -1 EBADF (Bad file descriptor) [pid 364] close(13) = -1 EBADF (Bad file descriptor) [pid 364] close(14) = -1 EBADF (Bad file descriptor) [pid 364] close(15) = -1 EBADF (Bad file descriptor) [pid 364] close(16) = -1 EBADF (Bad file descriptor) [pid 364] close(17) = -1 EBADF (Bad file descriptor) [pid 364] close(18) = -1 EBADF (Bad file descriptor) [pid 364] close(19) = -1 EBADF (Bad file descriptor) [pid 364] close(20) = -1 EBADF (Bad file descriptor) [pid 364] close(21) = -1 EBADF (Bad file descriptor) [pid 364] close(22) = -1 EBADF (Bad file descriptor) [pid 364] close(23) = -1 EBADF (Bad file descriptor) [pid 364] close(24) = -1 EBADF (Bad file descriptor) [pid 364] close(25) = -1 EBADF (Bad file descriptor) [pid 364] close(26) = -1 EBADF (Bad file descriptor) [pid 364] close(27) = -1 EBADF (Bad file descriptor) [pid 364] close(28) = -1 EBADF (Bad file descriptor) [pid 364] close(29) = -1 EBADF (Bad file descriptor) [pid 364] exit_group(0) = ? [pid 364] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./66/binderfs") = 0 [pid 297] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./66/cgroup.net") = 0 [pid 297] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./66/cgroup.cpu") = 0 [pid 297] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./66/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./66") = 0 [pid 297] mkdir("./67", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 365 attached , child_tidptr=0x555565b1f650) = 69 [pid 365] set_robust_list(0x555565b1f660, 24) = 0 [pid 365] chdir("./67") = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 365] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 365] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 365] write(1, "executing program\n", 18) = 18 [pid 365] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 365] close(3) = -1 EBADF (Bad file descriptor) [pid 365] close(4) = -1 EBADF (Bad file descriptor) [pid 365] close(5) = -1 EBADF (Bad file descriptor) [pid 365] close(6) = -1 EBADF (Bad file descriptor) [pid 365] close(7) = -1 EBADF (Bad file descriptor) [pid 365] close(8) = -1 EBADF (Bad file descriptor) [pid 365] close(9) = -1 EBADF (Bad file descriptor) [pid 365] close(10) = -1 EBADF (Bad file descriptor) [pid 365] close(11) = -1 EBADF (Bad file descriptor) [pid 365] close(12) = -1 EBADF (Bad file descriptor) [pid 365] close(13) = -1 EBADF (Bad file descriptor) [pid 365] close(14) = -1 EBADF (Bad file descriptor) [pid 365] close(15) = -1 EBADF (Bad file descriptor) [pid 365] close(16) = -1 EBADF (Bad file descriptor) [pid 365] close(17) = -1 EBADF (Bad file descriptor) [pid 365] close(18) = -1 EBADF (Bad file descriptor) [pid 365] close(19) = -1 EBADF (Bad file descriptor) [pid 365] close(20) = -1 EBADF (Bad file descriptor) [pid 365] close(21) = -1 EBADF (Bad file descriptor) [pid 365] close(22) = -1 EBADF (Bad file descriptor) [pid 365] close(23) = -1 EBADF (Bad file descriptor) [pid 365] close(24) = -1 EBADF (Bad file descriptor) [pid 365] close(25) = -1 EBADF (Bad file descriptor) [pid 365] close(26) = -1 EBADF (Bad file descriptor) [pid 365] close(27) = -1 EBADF (Bad file descriptor) [pid 365] close(28) = -1 EBADF (Bad file descriptor) [pid 365] close(29) = -1 EBADF (Bad file descriptor) [pid 365] exit_group(0) = ? [pid 365] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./67/binderfs") = 0 [pid 297] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./67/cgroup.net") = 0 [pid 297] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./67/cgroup.cpu") = 0 [pid 297] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./67/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./67") = 0 [pid 297] mkdir("./68", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 366 attached , child_tidptr=0x555565b1f650) = 70 [pid 366] set_robust_list(0x555565b1f660, 24) = 0 [pid 366] chdir("./68") = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 366] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 366] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 25.230320][ T364] incfs: Error allocating mount info. -12 [ 25.236062][ T364] incfs: mount failed -12 [ 25.256106][ T365] incfs: Error allocating mount info. -12 [ 25.261904][ T365] incfs: mount failed -12 [pid 366] write(1, "executing program\n", 18) = 18 [pid 366] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 366] close(3) = -1 EBADF (Bad file descriptor) [pid 366] close(4) = -1 EBADF (Bad file descriptor) [pid 366] close(5) = -1 EBADF (Bad file descriptor) [pid 366] close(6) = -1 EBADF (Bad file descriptor) [pid 366] close(7) = -1 EBADF (Bad file descriptor) [pid 366] close(8) = -1 EBADF (Bad file descriptor) [pid 366] close(9) = -1 EBADF (Bad file descriptor) [pid 366] close(10) = -1 EBADF (Bad file descriptor) [pid 366] close(11) = -1 EBADF (Bad file descriptor) [pid 366] close(12) = -1 EBADF (Bad file descriptor) [pid 366] close(13) = -1 EBADF (Bad file descriptor) [pid 366] close(14) = -1 EBADF (Bad file descriptor) [pid 366] close(15) = -1 EBADF (Bad file descriptor) [pid 366] close(16) = -1 EBADF (Bad file descriptor) [pid 366] close(17) = -1 EBADF (Bad file descriptor) [pid 366] close(18) = -1 EBADF (Bad file descriptor) [pid 366] close(19) = -1 EBADF (Bad file descriptor) [pid 366] close(20) = -1 EBADF (Bad file descriptor) [pid 366] close(21) = -1 EBADF (Bad file descriptor) [pid 366] close(22) = -1 EBADF (Bad file descriptor) [pid 366] close(23) = -1 EBADF (Bad file descriptor) [pid 366] close(24) = -1 EBADF (Bad file descriptor) [pid 366] close(25) = -1 EBADF (Bad file descriptor) [pid 366] close(26) = -1 EBADF (Bad file descriptor) [pid 366] close(27) = -1 EBADF (Bad file descriptor) [pid 366] close(28) = -1 EBADF (Bad file descriptor) [pid 366] close(29) = -1 EBADF (Bad file descriptor) [pid 366] exit_group(0) = ? [pid 366] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./68/binderfs") = 0 [pid 297] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./68/cgroup.net") = 0 [pid 297] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./68/cgroup.cpu") = 0 [pid 297] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./68/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./68") = 0 [pid 297] mkdir("./69", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 367 attached , child_tidptr=0x555565b1f650) = 71 [pid 367] set_robust_list(0x555565b1f660, 24) = 0 [pid 367] chdir("./69") = 0 [pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 367] setpgid(0, 0) = 0 [pid 367] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 367] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 367] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 367] write(3, "1000", 4) = 4 [pid 367] close(3) = 0 [pid 367] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 367] write(1, "executing program\n", 18) = 18 [pid 367] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 367] close(3) = -1 EBADF (Bad file descriptor) [pid 367] close(4) = -1 EBADF (Bad file descriptor) [pid 367] close(5) = -1 EBADF (Bad file descriptor) [pid 367] close(6) = -1 EBADF (Bad file descriptor) [pid 367] close(7) = -1 EBADF (Bad file descriptor) [pid 367] close(8) = -1 EBADF (Bad file descriptor) [pid 367] close(9) = -1 EBADF (Bad file descriptor) [pid 367] close(10) = -1 EBADF (Bad file descriptor) [pid 367] close(11) = -1 EBADF (Bad file descriptor) [pid 367] close(12) = -1 EBADF (Bad file descriptor) [pid 367] close(13) = -1 EBADF (Bad file descriptor) [pid 367] close(14) = -1 EBADF (Bad file descriptor) [pid 367] close(15) = -1 EBADF (Bad file descriptor) [pid 367] close(16) = -1 EBADF (Bad file descriptor) [pid 367] close(17) = -1 EBADF (Bad file descriptor) [pid 367] close(18) = -1 EBADF (Bad file descriptor) [pid 367] close(19) = -1 EBADF (Bad file descriptor) [pid 367] close(20) = -1 EBADF (Bad file descriptor) [pid 367] close(21) = -1 EBADF (Bad file descriptor) [pid 367] close(22) = -1 EBADF (Bad file descriptor) [pid 367] close(23) = -1 EBADF (Bad file descriptor) [pid 367] close(24) = -1 EBADF (Bad file descriptor) [pid 367] close(25) = -1 EBADF (Bad file descriptor) [pid 367] close(26) = -1 EBADF (Bad file descriptor) [pid 367] close(27) = -1 EBADF (Bad file descriptor) [pid 367] close(28) = -1 EBADF (Bad file descriptor) [pid 367] close(29) = -1 EBADF (Bad file descriptor) [pid 367] exit_group(0) = ? [pid 367] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./69/binderfs") = 0 [pid 297] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./69/cgroup.net") = 0 [pid 297] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./69/cgroup.cpu") = 0 [pid 297] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./69/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./69") = 0 [pid 297] mkdir("./70", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 368 attached , child_tidptr=0x555565b1f650) = 72 [pid 368] set_robust_list(0x555565b1f660, 24) = 0 [pid 368] chdir("./70") = 0 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 368] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 368] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3) = 0 [pid 368] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 368] write(1, "executing program\n", 18) = 18 [ 25.282144][ T366] incfs: Error allocating mount info. -12 [ 25.287885][ T366] incfs: mount failed -12 [ 25.311595][ T367] incfs: Error allocating mount info. -12 [ 25.317334][ T367] incfs: mount failed -12 [pid 368] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 368] close(3) = -1 EBADF (Bad file descriptor) [pid 368] close(4) = -1 EBADF (Bad file descriptor) [pid 368] close(5) = -1 EBADF (Bad file descriptor) [pid 368] close(6) = -1 EBADF (Bad file descriptor) [pid 368] close(7) = -1 EBADF (Bad file descriptor) [pid 368] close(8) = -1 EBADF (Bad file descriptor) [pid 368] close(9) = -1 EBADF (Bad file descriptor) [pid 368] close(10) = -1 EBADF (Bad file descriptor) [pid 368] close(11) = -1 EBADF (Bad file descriptor) [pid 368] close(12) = -1 EBADF (Bad file descriptor) [pid 368] close(13) = -1 EBADF (Bad file descriptor) [pid 368] close(14) = -1 EBADF (Bad file descriptor) [pid 368] close(15) = -1 EBADF (Bad file descriptor) [pid 368] close(16) = -1 EBADF (Bad file descriptor) [pid 368] close(17) = -1 EBADF (Bad file descriptor) [pid 368] close(18) = -1 EBADF (Bad file descriptor) [pid 368] close(19) = -1 EBADF (Bad file descriptor) [pid 368] close(20) = -1 EBADF (Bad file descriptor) [pid 368] close(21) = -1 EBADF (Bad file descriptor) [pid 368] close(22) = -1 EBADF (Bad file descriptor) [pid 368] close(23) = -1 EBADF (Bad file descriptor) [pid 368] close(24) = -1 EBADF (Bad file descriptor) [pid 368] close(25) = -1 EBADF (Bad file descriptor) [pid 368] close(26) = -1 EBADF (Bad file descriptor) [pid 368] close(27) = -1 EBADF (Bad file descriptor) [pid 368] close(28) = -1 EBADF (Bad file descriptor) [pid 368] close(29) = -1 EBADF (Bad file descriptor) [pid 368] exit_group(0) = ? [pid 368] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./70/binderfs") = 0 [pid 297] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./70/cgroup.net") = 0 [pid 297] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./70/cgroup.cpu") = 0 [pid 297] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./70/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./70") = 0 [pid 297] mkdir("./71", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 369 attached , child_tidptr=0x555565b1f650) = 73 [pid 369] set_robust_list(0x555565b1f660, 24) = 0 [pid 369] chdir("./71") = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 369] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 369] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 [pid 369] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 369] write(1, "executing program\n", 18) = 18 [pid 369] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 369] close(3) = -1 EBADF (Bad file descriptor) [pid 369] close(4) = -1 EBADF (Bad file descriptor) [pid 369] close(5) = -1 EBADF (Bad file descriptor) [pid 369] close(6) = -1 EBADF (Bad file descriptor) [pid 369] close(7) = -1 EBADF (Bad file descriptor) [pid 369] close(8) = -1 EBADF (Bad file descriptor) [pid 369] close(9) = -1 EBADF (Bad file descriptor) [pid 369] close(10) = -1 EBADF (Bad file descriptor) [pid 369] close(11) = -1 EBADF (Bad file descriptor) [pid 369] close(12) = -1 EBADF (Bad file descriptor) [pid 369] close(13) = -1 EBADF (Bad file descriptor) [pid 369] close(14) = -1 EBADF (Bad file descriptor) [pid 369] close(15) = -1 EBADF (Bad file descriptor) [pid 369] close(16) = -1 EBADF (Bad file descriptor) [pid 369] close(17) = -1 EBADF (Bad file descriptor) [pid 369] close(18) = -1 EBADF (Bad file descriptor) [pid 369] close(19) = -1 EBADF (Bad file descriptor) [pid 369] close(20) = -1 EBADF (Bad file descriptor) [pid 369] close(21) = -1 EBADF (Bad file descriptor) [pid 369] close(22) = -1 EBADF (Bad file descriptor) [pid 369] close(23) = -1 EBADF (Bad file descriptor) [pid 369] close(24) = -1 EBADF (Bad file descriptor) [pid 369] close(25) = -1 EBADF (Bad file descriptor) [pid 369] close(26) = -1 EBADF (Bad file descriptor) [pid 369] close(27) = -1 EBADF (Bad file descriptor) [pid 369] close(28) = -1 EBADF (Bad file descriptor) [pid 369] close(29) = -1 EBADF (Bad file descriptor) [pid 369] exit_group(0) = ? [pid 369] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./71/binderfs") = 0 [pid 297] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./71/cgroup.net") = 0 [pid 297] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./71/cgroup.cpu") = 0 [pid 297] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./71/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./71") = 0 [pid 297] mkdir("./72", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 370 attached [pid 370] set_robust_list(0x555565b1f660, 24) = 0 [pid 370] chdir("./72" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 74 [pid 370] <... chdir resumed>) = 0 [pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 370] setpgid(0, 0) = 0 [pid 370] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 370] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 370] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 370] write(3, "1000", 4) = 4 [pid 370] close(3) = 0 [pid 370] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 370] write(1, "executing program\n", 18) = 18 [ 25.341538][ T368] incfs: Error allocating mount info. -12 [ 25.347346][ T368] incfs: mount failed -12 [ 25.365744][ T369] incfs: Error allocating mount info. -12 [ 25.371556][ T369] incfs: mount failed -12 [pid 370] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 370] close(3) = -1 EBADF (Bad file descriptor) [pid 370] close(4) = -1 EBADF (Bad file descriptor) [pid 370] close(5) = -1 EBADF (Bad file descriptor) [pid 370] close(6) = -1 EBADF (Bad file descriptor) [pid 370] close(7) = -1 EBADF (Bad file descriptor) [pid 370] close(8) = -1 EBADF (Bad file descriptor) [pid 370] close(9) = -1 EBADF (Bad file descriptor) [pid 370] close(10) = -1 EBADF (Bad file descriptor) [pid 370] close(11) = -1 EBADF (Bad file descriptor) [pid 370] close(12) = -1 EBADF (Bad file descriptor) [pid 370] close(13) = -1 EBADF (Bad file descriptor) [pid 370] close(14) = -1 EBADF (Bad file descriptor) [pid 370] close(15) = -1 EBADF (Bad file descriptor) [pid 370] close(16) = -1 EBADF (Bad file descriptor) [pid 370] close(17) = -1 EBADF (Bad file descriptor) [pid 370] close(18) = -1 EBADF (Bad file descriptor) [pid 370] close(19) = -1 EBADF (Bad file descriptor) [pid 370] close(20) = -1 EBADF (Bad file descriptor) [pid 370] close(21) = -1 EBADF (Bad file descriptor) [pid 370] close(22) = -1 EBADF (Bad file descriptor) [pid 370] close(23) = -1 EBADF (Bad file descriptor) [pid 370] close(24) = -1 EBADF (Bad file descriptor) [pid 370] close(25) = -1 EBADF (Bad file descriptor) [pid 370] close(26) = -1 EBADF (Bad file descriptor) [pid 370] close(27) = -1 EBADF (Bad file descriptor) [pid 370] close(28) = -1 EBADF (Bad file descriptor) [pid 370] close(29) = -1 EBADF (Bad file descriptor) [pid 370] exit_group(0) = ? [pid 370] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./72/binderfs") = 0 [pid 297] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./72/cgroup.net") = 0 [pid 297] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./72/cgroup.cpu") = 0 [pid 297] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./72/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./72") = 0 [pid 297] mkdir("./73", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 75 ./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x555565b1f660, 24) = 0 [pid 371] chdir("./73") = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 371] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 371] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 [pid 371] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 371] write(1, "executing program\n", 18) = 18 [pid 371] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 371] close(3) = -1 EBADF (Bad file descriptor) [pid 371] close(4) = -1 EBADF (Bad file descriptor) [pid 371] close(5) = -1 EBADF (Bad file descriptor) [pid 371] close(6) = -1 EBADF (Bad file descriptor) [pid 371] close(7) = -1 EBADF (Bad file descriptor) [pid 371] close(8) = -1 EBADF (Bad file descriptor) [pid 371] close(9) = -1 EBADF (Bad file descriptor) [pid 371] close(10) = -1 EBADF (Bad file descriptor) [pid 371] close(11) = -1 EBADF (Bad file descriptor) [pid 371] close(12) = -1 EBADF (Bad file descriptor) [pid 371] close(13) = -1 EBADF (Bad file descriptor) [pid 371] close(14) = -1 EBADF (Bad file descriptor) [pid 371] close(15) = -1 EBADF (Bad file descriptor) [pid 371] close(16) = -1 EBADF (Bad file descriptor) [pid 371] close(17) = -1 EBADF (Bad file descriptor) [pid 371] close(18) = -1 EBADF (Bad file descriptor) [pid 371] close(19) = -1 EBADF (Bad file descriptor) [pid 371] close(20) = -1 EBADF (Bad file descriptor) [pid 371] close(21) = -1 EBADF (Bad file descriptor) [pid 371] close(22) = -1 EBADF (Bad file descriptor) [pid 371] close(23) = -1 EBADF (Bad file descriptor) [pid 371] close(24) = -1 EBADF (Bad file descriptor) [pid 371] close(25) = -1 EBADF (Bad file descriptor) [pid 371] close(26) = -1 EBADF (Bad file descriptor) [pid 371] close(27) = -1 EBADF (Bad file descriptor) [pid 371] close(28) = -1 EBADF (Bad file descriptor) [pid 371] close(29) = -1 EBADF (Bad file descriptor) [pid 371] exit_group(0) = ? [pid 371] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./73/binderfs") = 0 [pid 297] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./73/cgroup.net") = 0 [pid 297] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./73/cgroup.cpu") = 0 [pid 297] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./73/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./73") = 0 [pid 297] mkdir("./74", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 372 attached , child_tidptr=0x555565b1f650) = 76 [pid 372] set_robust_list(0x555565b1f660, 24) = 0 [pid 372] chdir("./74") = 0 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 372] setpgid(0, 0) = 0 [pid 372] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 372] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 372] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 372] write(3, "1000", 4) = 4 [pid 372] close(3) = 0 [pid 372] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 372] write(1, "executing program\n", 18) = 18 [ 25.391220][ T370] incfs: Error allocating mount info. -12 [ 25.397013][ T370] incfs: mount failed -12 [ 25.418156][ T371] incfs: Error allocating mount info. -12 [ 25.423947][ T371] incfs: mount failed -12 [pid 372] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 372] close(3) = -1 EBADF (Bad file descriptor) [pid 372] close(4) = -1 EBADF (Bad file descriptor) [pid 372] close(5) = -1 EBADF (Bad file descriptor) [pid 372] close(6) = -1 EBADF (Bad file descriptor) [pid 372] close(7) = -1 EBADF (Bad file descriptor) [pid 372] close(8) = -1 EBADF (Bad file descriptor) [pid 372] close(9) = -1 EBADF (Bad file descriptor) [pid 372] close(10) = -1 EBADF (Bad file descriptor) [pid 372] close(11) = -1 EBADF (Bad file descriptor) [pid 372] close(12) = -1 EBADF (Bad file descriptor) [pid 372] close(13) = -1 EBADF (Bad file descriptor) [pid 372] close(14) = -1 EBADF (Bad file descriptor) [pid 372] close(15) = -1 EBADF (Bad file descriptor) [pid 372] close(16) = -1 EBADF (Bad file descriptor) [pid 372] close(17) = -1 EBADF (Bad file descriptor) [pid 372] close(18) = -1 EBADF (Bad file descriptor) [pid 372] close(19) = -1 EBADF (Bad file descriptor) [pid 372] close(20) = -1 EBADF (Bad file descriptor) [pid 372] close(21) = -1 EBADF (Bad file descriptor) [pid 372] close(22) = -1 EBADF (Bad file descriptor) [pid 372] close(23) = -1 EBADF (Bad file descriptor) [pid 372] close(24) = -1 EBADF (Bad file descriptor) [pid 372] close(25) = -1 EBADF (Bad file descriptor) [pid 372] close(26) = -1 EBADF (Bad file descriptor) [pid 372] close(27) = -1 EBADF (Bad file descriptor) [pid 372] close(28) = -1 EBADF (Bad file descriptor) [pid 372] close(29) = -1 EBADF (Bad file descriptor) [pid 372] exit_group(0) = ? [pid 372] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./74/binderfs") = 0 [pid 297] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./74/cgroup.net") = 0 [pid 297] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./74/cgroup.cpu") = 0 [pid 297] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./74/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./74") = 0 [pid 297] mkdir("./75", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x555565b1f660, 24) = 0 [pid 373] chdir("./75" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 77 [pid 373] <... chdir resumed>) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 373] setpgid(0, 0) = 0 [pid 373] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 373] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 373] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 373] write(3, "1000", 4) = 4 [pid 373] close(3) = 0 [pid 373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 373] write(1, "executing program\n", 18) = 18 [pid 373] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 373] close(3) = -1 EBADF (Bad file descriptor) [pid 373] close(4) = -1 EBADF (Bad file descriptor) [pid 373] close(5) = -1 EBADF (Bad file descriptor) [pid 373] close(6) = -1 EBADF (Bad file descriptor) [pid 373] close(7) = -1 EBADF (Bad file descriptor) [pid 373] close(8) = -1 EBADF (Bad file descriptor) [pid 373] close(9) = -1 EBADF (Bad file descriptor) [pid 373] close(10) = -1 EBADF (Bad file descriptor) [pid 373] close(11) = -1 EBADF (Bad file descriptor) [pid 373] close(12) = -1 EBADF (Bad file descriptor) [pid 373] close(13) = -1 EBADF (Bad file descriptor) [pid 373] close(14) = -1 EBADF (Bad file descriptor) [pid 373] close(15) = -1 EBADF (Bad file descriptor) [pid 373] close(16) = -1 EBADF (Bad file descriptor) [pid 373] close(17) = -1 EBADF (Bad file descriptor) [pid 373] close(18) = -1 EBADF (Bad file descriptor) [pid 373] close(19) = -1 EBADF (Bad file descriptor) [pid 373] close(20) = -1 EBADF (Bad file descriptor) [pid 373] close(21) = -1 EBADF (Bad file descriptor) [pid 373] close(22) = -1 EBADF (Bad file descriptor) [pid 373] close(23) = -1 EBADF (Bad file descriptor) [pid 373] close(24) = -1 EBADF (Bad file descriptor) [pid 373] close(25) = -1 EBADF (Bad file descriptor) [pid 373] close(26) = -1 EBADF (Bad file descriptor) [pid 373] close(27) = -1 EBADF (Bad file descriptor) [pid 373] close(28) = -1 EBADF (Bad file descriptor) [pid 373] close(29) = -1 EBADF (Bad file descriptor) [pid 373] exit_group(0) = ? [pid 373] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./75/binderfs") = 0 [pid 297] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./75/cgroup.net") = 0 [pid 297] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./75/cgroup.cpu") = 0 [pid 297] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./75/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./75") = 0 [pid 297] mkdir("./76", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 78 ./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x555565b1f660, 24) = 0 [pid 374] chdir("./76") = 0 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 374] setpgid(0, 0) = 0 [pid 374] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 374] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 374] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 374] write(3, "1000", 4) = 4 [pid 374] close(3) = 0 [pid 374] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 374] write(1, "executing program\n", 18) = 18 [ 25.447519][ T372] incfs: Error allocating mount info. -12 [ 25.453331][ T372] incfs: mount failed -12 [ 25.475831][ T373] incfs: Error allocating mount info. -12 [ 25.481646][ T373] incfs: mount failed -12 [pid 374] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 374] close(3) = -1 EBADF (Bad file descriptor) [pid 374] close(4) = -1 EBADF (Bad file descriptor) [pid 374] close(5) = -1 EBADF (Bad file descriptor) [pid 374] close(6) = -1 EBADF (Bad file descriptor) [pid 374] close(7) = -1 EBADF (Bad file descriptor) [pid 374] close(8) = -1 EBADF (Bad file descriptor) [pid 374] close(9) = -1 EBADF (Bad file descriptor) [pid 374] close(10) = -1 EBADF (Bad file descriptor) [pid 374] close(11) = -1 EBADF (Bad file descriptor) [pid 374] close(12) = -1 EBADF (Bad file descriptor) [pid 374] close(13) = -1 EBADF (Bad file descriptor) [pid 374] close(14) = -1 EBADF (Bad file descriptor) [pid 374] close(15) = -1 EBADF (Bad file descriptor) [pid 374] close(16) = -1 EBADF (Bad file descriptor) [pid 374] close(17) = -1 EBADF (Bad file descriptor) [pid 374] close(18) = -1 EBADF (Bad file descriptor) [pid 374] close(19) = -1 EBADF (Bad file descriptor) [pid 374] close(20) = -1 EBADF (Bad file descriptor) [pid 374] close(21) = -1 EBADF (Bad file descriptor) [pid 374] close(22) = -1 EBADF (Bad file descriptor) [pid 374] close(23) = -1 EBADF (Bad file descriptor) [pid 374] close(24) = -1 EBADF (Bad file descriptor) [pid 374] close(25) = -1 EBADF (Bad file descriptor) [pid 374] close(26) = -1 EBADF (Bad file descriptor) [pid 374] close(27) = -1 EBADF (Bad file descriptor) [pid 374] close(28) = -1 EBADF (Bad file descriptor) [pid 374] close(29) = -1 EBADF (Bad file descriptor) [pid 374] exit_group(0) = ? [pid 374] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./76/binderfs") = 0 [pid 297] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./76/cgroup.net") = 0 [pid 297] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./76/cgroup.cpu") = 0 [pid 297] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./76/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./76") = 0 [pid 297] mkdir("./77", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 79 ./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x555565b1f660, 24) = 0 [pid 375] chdir("./77") = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 375] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 375] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 375] write(1, "executing program\n", 18) = 18 [pid 375] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 375] close(3) = -1 EBADF (Bad file descriptor) [pid 375] close(4) = -1 EBADF (Bad file descriptor) [pid 375] close(5) = -1 EBADF (Bad file descriptor) [pid 375] close(6) = -1 EBADF (Bad file descriptor) [pid 375] close(7) = -1 EBADF (Bad file descriptor) [pid 375] close(8) = -1 EBADF (Bad file descriptor) [pid 375] close(9) = -1 EBADF (Bad file descriptor) [pid 375] close(10) = -1 EBADF (Bad file descriptor) [pid 375] close(11) = -1 EBADF (Bad file descriptor) [pid 375] close(12) = -1 EBADF (Bad file descriptor) [pid 375] close(13) = -1 EBADF (Bad file descriptor) [pid 375] close(14) = -1 EBADF (Bad file descriptor) [pid 375] close(15) = -1 EBADF (Bad file descriptor) [pid 375] close(16) = -1 EBADF (Bad file descriptor) [pid 375] close(17) = -1 EBADF (Bad file descriptor) [pid 375] close(18) = -1 EBADF (Bad file descriptor) [pid 375] close(19) = -1 EBADF (Bad file descriptor) [pid 375] close(20) = -1 EBADF (Bad file descriptor) [pid 375] close(21) = -1 EBADF (Bad file descriptor) [pid 375] close(22) = -1 EBADF (Bad file descriptor) [pid 375] close(23) = -1 EBADF (Bad file descriptor) [pid 375] close(24) = -1 EBADF (Bad file descriptor) [pid 375] close(25) = -1 EBADF (Bad file descriptor) [pid 375] close(26) = -1 EBADF (Bad file descriptor) [pid 375] close(27) = -1 EBADF (Bad file descriptor) [pid 375] close(28) = -1 EBADF (Bad file descriptor) [pid 375] close(29) = -1 EBADF (Bad file descriptor) [pid 375] exit_group(0) = ? [pid 375] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./77/binderfs") = 0 [pid 297] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./77/cgroup.net") = 0 [pid 297] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./77/cgroup.cpu") = 0 [pid 297] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./77/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./77") = 0 [pid 297] mkdir("./78", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 80 ./strace-static-x86_64: Process 376 attached [pid 376] set_robust_list(0x555565b1f660, 24) = 0 [pid 376] chdir("./78") = 0 [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 376] setpgid(0, 0) = 0 [pid 376] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 376] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 376] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 376] write(3, "1000", 4) = 4 [pid 376] close(3) = 0 [pid 376] symlink("/dev/binderfs", "./binderfs") = 0 [pid 376] write(1, "executing program\n", 18) = 18 [ 25.501594][ T374] incfs: Error allocating mount info. -12 [ 25.507324][ T374] incfs: mount failed -12 [ 25.528655][ T375] incfs: Error allocating mount info. -12 [ 25.534399][ T375] incfs: mount failed -12 [pid 376] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 376] close(3) = -1 EBADF (Bad file descriptor) [pid 376] close(4) = -1 EBADF (Bad file descriptor) [pid 376] close(5) = -1 EBADF (Bad file descriptor) [pid 376] close(6) = -1 EBADF (Bad file descriptor) [pid 376] close(7) = -1 EBADF (Bad file descriptor) [pid 376] close(8) = -1 EBADF (Bad file descriptor) [pid 376] close(9) = -1 EBADF (Bad file descriptor) [pid 376] close(10) = -1 EBADF (Bad file descriptor) [pid 376] close(11) = -1 EBADF (Bad file descriptor) [pid 376] close(12) = -1 EBADF (Bad file descriptor) [pid 376] close(13) = -1 EBADF (Bad file descriptor) [pid 376] close(14) = -1 EBADF (Bad file descriptor) [pid 376] close(15) = -1 EBADF (Bad file descriptor) [pid 376] close(16) = -1 EBADF (Bad file descriptor) [pid 376] close(17) = -1 EBADF (Bad file descriptor) [pid 376] close(18) = -1 EBADF (Bad file descriptor) [pid 376] close(19) = -1 EBADF (Bad file descriptor) [pid 376] close(20) = -1 EBADF (Bad file descriptor) [pid 376] close(21) = -1 EBADF (Bad file descriptor) [pid 376] close(22) = -1 EBADF (Bad file descriptor) [pid 376] close(23) = -1 EBADF (Bad file descriptor) [pid 376] close(24) = -1 EBADF (Bad file descriptor) [pid 376] close(25) = -1 EBADF (Bad file descriptor) [pid 376] close(26) = -1 EBADF (Bad file descriptor) [pid 376] close(27) = -1 EBADF (Bad file descriptor) [pid 376] close(28) = -1 EBADF (Bad file descriptor) [pid 376] close(29) = -1 EBADF (Bad file descriptor) [pid 376] exit_group(0) = ? [pid 376] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./78/binderfs") = 0 [pid 297] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./78/cgroup.net") = 0 [pid 297] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./78/cgroup.cpu") = 0 [pid 297] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./78/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./78") = 0 [pid 297] mkdir("./79", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 81 ./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x555565b1f660, 24) = 0 [pid 377] chdir("./79") = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 377] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 377] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 [pid 377] symlink("/dev/binderfs", "./binderfs") = 0 [pid 377] write(1, "executing program\n", 18executing program ) = 18 [pid 377] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 377] close(3) = -1 EBADF (Bad file descriptor) [pid 377] close(4) = -1 EBADF (Bad file descriptor) [pid 377] close(5) = -1 EBADF (Bad file descriptor) [pid 377] close(6) = -1 EBADF (Bad file descriptor) [pid 377] close(7) = -1 EBADF (Bad file descriptor) [pid 377] close(8) = -1 EBADF (Bad file descriptor) [pid 377] close(9) = -1 EBADF (Bad file descriptor) [pid 377] close(10) = -1 EBADF (Bad file descriptor) [pid 377] close(11) = -1 EBADF (Bad file descriptor) [pid 377] close(12) = -1 EBADF (Bad file descriptor) [pid 377] close(13) = -1 EBADF (Bad file descriptor) [pid 377] close(14) = -1 EBADF (Bad file descriptor) [pid 377] close(15) = -1 EBADF (Bad file descriptor) [pid 377] close(16) = -1 EBADF (Bad file descriptor) [pid 377] close(17) = -1 EBADF (Bad file descriptor) [pid 377] close(18) = -1 EBADF (Bad file descriptor) [pid 377] close(19) = -1 EBADF (Bad file descriptor) [pid 377] close(20) = -1 EBADF (Bad file descriptor) [pid 377] close(21) = -1 EBADF (Bad file descriptor) [pid 377] close(22) = -1 EBADF (Bad file descriptor) [pid 377] close(23) = -1 EBADF (Bad file descriptor) [pid 377] close(24) = -1 EBADF (Bad file descriptor) [pid 377] close(25) = -1 EBADF (Bad file descriptor) [pid 377] close(26) = -1 EBADF (Bad file descriptor) [pid 377] close(27) = -1 EBADF (Bad file descriptor) [pid 377] close(28) = -1 EBADF (Bad file descriptor) [pid 377] close(29) = -1 EBADF (Bad file descriptor) [pid 377] exit_group(0) = ? [pid 377] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./79/binderfs") = 0 [pid 297] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./79/cgroup.net") = 0 [pid 297] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./79/cgroup.cpu") = 0 [pid 297] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./79/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./79") = 0 [pid 297] mkdir("./80", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 82 ./strace-static-x86_64: Process 378 attached [pid 378] set_robust_list(0x555565b1f660, 24) = 0 [pid 378] chdir("./80") = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 378] setpgid(0, 0) = 0 [pid 378] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 378] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 378] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 378] write(3, "1000", 4) = 4 [pid 378] close(3) = 0 [pid 378] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 378] write(1, "executing program\n", 18) = 18 [ 25.558244][ T376] incfs: Error allocating mount info. -12 [ 25.564095][ T376] incfs: mount failed -12 [ 25.586108][ T377] incfs: Error allocating mount info. -12 [ 25.591896][ T377] incfs: mount failed -12 [pid 378] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 378] close(3) = -1 EBADF (Bad file descriptor) [pid 378] close(4) = -1 EBADF (Bad file descriptor) [pid 378] close(5) = -1 EBADF (Bad file descriptor) [pid 378] close(6) = -1 EBADF (Bad file descriptor) [pid 378] close(7) = -1 EBADF (Bad file descriptor) [pid 378] close(8) = -1 EBADF (Bad file descriptor) [pid 378] close(9) = -1 EBADF (Bad file descriptor) [pid 378] close(10) = -1 EBADF (Bad file descriptor) [pid 378] close(11) = -1 EBADF (Bad file descriptor) [pid 378] close(12) = -1 EBADF (Bad file descriptor) [pid 378] close(13) = -1 EBADF (Bad file descriptor) [pid 378] close(14) = -1 EBADF (Bad file descriptor) [pid 378] close(15) = -1 EBADF (Bad file descriptor) [pid 378] close(16) = -1 EBADF (Bad file descriptor) [pid 378] close(17) = -1 EBADF (Bad file descriptor) [pid 378] close(18) = -1 EBADF (Bad file descriptor) [pid 378] close(19) = -1 EBADF (Bad file descriptor) [pid 378] close(20) = -1 EBADF (Bad file descriptor) [pid 378] close(21) = -1 EBADF (Bad file descriptor) [pid 378] close(22) = -1 EBADF (Bad file descriptor) [pid 378] close(23) = -1 EBADF (Bad file descriptor) [pid 378] close(24) = -1 EBADF (Bad file descriptor) [pid 378] close(25) = -1 EBADF (Bad file descriptor) [pid 378] close(26) = -1 EBADF (Bad file descriptor) [pid 378] close(27) = -1 EBADF (Bad file descriptor) [pid 378] close(28) = -1 EBADF (Bad file descriptor) [pid 378] close(29) = -1 EBADF (Bad file descriptor) [pid 378] exit_group(0) = ? [pid 378] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./80/binderfs") = 0 [pid 297] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./80/cgroup.net") = 0 [pid 297] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./80/cgroup.cpu") = 0 [pid 297] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./80/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./80") = 0 [pid 297] mkdir("./81", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 379 attached , child_tidptr=0x555565b1f650) = 83 [pid 379] set_robust_list(0x555565b1f660, 24) = 0 [pid 379] chdir("./81") = 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 379] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 379] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 379] symlink("/dev/binderfs", "./binderfs") = 0 [pid 379] write(1, "executing program\n", 18executing program ) = 18 [pid 379] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 379] close(3) = -1 EBADF (Bad file descriptor) [pid 379] close(4) = -1 EBADF (Bad file descriptor) [pid 379] close(5) = -1 EBADF (Bad file descriptor) [pid 379] close(6) = -1 EBADF (Bad file descriptor) [pid 379] close(7) = -1 EBADF (Bad file descriptor) [pid 379] close(8) = -1 EBADF (Bad file descriptor) [pid 379] close(9) = -1 EBADF (Bad file descriptor) [pid 379] close(10) = -1 EBADF (Bad file descriptor) [pid 379] close(11) = -1 EBADF (Bad file descriptor) [pid 379] close(12) = -1 EBADF (Bad file descriptor) [pid 379] close(13) = -1 EBADF (Bad file descriptor) [pid 379] close(14) = -1 EBADF (Bad file descriptor) [pid 379] close(15) = -1 EBADF (Bad file descriptor) [pid 379] close(16) = -1 EBADF (Bad file descriptor) [pid 379] close(17) = -1 EBADF (Bad file descriptor) [pid 379] close(18) = -1 EBADF (Bad file descriptor) [pid 379] close(19) = -1 EBADF (Bad file descriptor) [pid 379] close(20) = -1 EBADF (Bad file descriptor) [pid 379] close(21) = -1 EBADF (Bad file descriptor) [pid 379] close(22) = -1 EBADF (Bad file descriptor) [pid 379] close(23) = -1 EBADF (Bad file descriptor) [pid 379] close(24) = -1 EBADF (Bad file descriptor) [pid 379] close(25) = -1 EBADF (Bad file descriptor) [pid 379] close(26) = -1 EBADF (Bad file descriptor) [pid 379] close(27) = -1 EBADF (Bad file descriptor) [pid 379] close(28) = -1 EBADF (Bad file descriptor) [pid 379] close(29) = -1 EBADF (Bad file descriptor) [pid 379] exit_group(0) = ? [pid 379] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./81/binderfs") = 0 [pid 297] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./81/cgroup.net") = 0 [pid 297] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./81/cgroup.cpu") = 0 [pid 297] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./81/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./81") = 0 [pid 297] mkdir("./82", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 84 ./strace-static-x86_64: Process 380 attached [pid 380] set_robust_list(0x555565b1f660, 24) = 0 [pid 380] chdir("./82") = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 380] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 380] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 380] write(3, "1000", 4) = 4 [pid 380] close(3) = 0 [pid 380] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 380] write(1, "executing program\n", 18) = 18 [ 25.614826][ T378] incfs: Error allocating mount info. -12 [ 25.620654][ T378] incfs: mount failed -12 [ 25.639433][ T379] incfs: Error allocating mount info. -12 [ 25.645179][ T379] incfs: mount failed -12 [pid 380] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 380] close(3) = -1 EBADF (Bad file descriptor) [pid 380] close(4) = -1 EBADF (Bad file descriptor) [pid 380] close(5) = -1 EBADF (Bad file descriptor) [pid 380] close(6) = -1 EBADF (Bad file descriptor) [pid 380] close(7) = -1 EBADF (Bad file descriptor) [pid 380] close(8) = -1 EBADF (Bad file descriptor) [pid 380] close(9) = -1 EBADF (Bad file descriptor) [pid 380] close(10) = -1 EBADF (Bad file descriptor) [pid 380] close(11) = -1 EBADF (Bad file descriptor) [pid 380] close(12) = -1 EBADF (Bad file descriptor) [pid 380] close(13) = -1 EBADF (Bad file descriptor) [pid 380] close(14) = -1 EBADF (Bad file descriptor) [pid 380] close(15) = -1 EBADF (Bad file descriptor) [pid 380] close(16) = -1 EBADF (Bad file descriptor) [pid 380] close(17) = -1 EBADF (Bad file descriptor) [pid 380] close(18) = -1 EBADF (Bad file descriptor) [pid 380] close(19) = -1 EBADF (Bad file descriptor) [pid 380] close(20) = -1 EBADF (Bad file descriptor) [pid 380] close(21) = -1 EBADF (Bad file descriptor) [pid 380] close(22) = -1 EBADF (Bad file descriptor) [pid 380] close(23) = -1 EBADF (Bad file descriptor) [pid 380] close(24) = -1 EBADF (Bad file descriptor) [pid 380] close(25) = -1 EBADF (Bad file descriptor) [pid 380] close(26) = -1 EBADF (Bad file descriptor) [pid 380] close(27) = -1 EBADF (Bad file descriptor) [pid 380] close(28) = -1 EBADF (Bad file descriptor) [pid 380] close(29) = -1 EBADF (Bad file descriptor) [pid 380] exit_group(0) = ? [pid 380] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./82/binderfs") = 0 [pid 297] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./82/cgroup.net") = 0 [pid 297] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./82/cgroup.cpu") = 0 [pid 297] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./82/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./82") = 0 [pid 297] mkdir("./83", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 85 ./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x555565b1f660, 24) = 0 [pid 381] chdir("./83") = 0 [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 381] setpgid(0, 0) = 0 [pid 381] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 381] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 381] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 381] write(3, "1000", 4) = 4 [pid 381] close(3) = 0 executing program [pid 381] symlink("/dev/binderfs", "./binderfs") = 0 [pid 381] write(1, "executing program\n", 18) = 18 [pid 381] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 381] close(3) = -1 EBADF (Bad file descriptor) [pid 381] close(4) = -1 EBADF (Bad file descriptor) [pid 381] close(5) = -1 EBADF (Bad file descriptor) [pid 381] close(6) = -1 EBADF (Bad file descriptor) [pid 381] close(7) = -1 EBADF (Bad file descriptor) [pid 381] close(8) = -1 EBADF (Bad file descriptor) [pid 381] close(9) = -1 EBADF (Bad file descriptor) [pid 381] close(10) = -1 EBADF (Bad file descriptor) [pid 381] close(11) = -1 EBADF (Bad file descriptor) [pid 381] close(12) = -1 EBADF (Bad file descriptor) [pid 381] close(13) = -1 EBADF (Bad file descriptor) [pid 381] close(14) = -1 EBADF (Bad file descriptor) [pid 381] close(15) = -1 EBADF (Bad file descriptor) [pid 381] close(16) = -1 EBADF (Bad file descriptor) [pid 381] close(17) = -1 EBADF (Bad file descriptor) [pid 381] close(18) = -1 EBADF (Bad file descriptor) [pid 381] close(19) = -1 EBADF (Bad file descriptor) [pid 381] close(20) = -1 EBADF (Bad file descriptor) [pid 381] close(21) = -1 EBADF (Bad file descriptor) [pid 381] close(22) = -1 EBADF (Bad file descriptor) [pid 381] close(23) = -1 EBADF (Bad file descriptor) [pid 381] close(24) = -1 EBADF (Bad file descriptor) [pid 381] close(25) = -1 EBADF (Bad file descriptor) [pid 381] close(26) = -1 EBADF (Bad file descriptor) [pid 381] close(27) = -1 EBADF (Bad file descriptor) [pid 381] close(28) = -1 EBADF (Bad file descriptor) [pid 381] close(29) = -1 EBADF (Bad file descriptor) [pid 381] exit_group(0) = ? [pid 381] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./83/binderfs") = 0 [pid 297] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./83/cgroup.net") = 0 [pid 297] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./83/cgroup.cpu") = 0 [pid 297] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./83/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./83") = 0 [pid 297] mkdir("./84", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 382 attached , child_tidptr=0x555565b1f650) = 86 [pid 382] set_robust_list(0x555565b1f660, 24) = 0 [pid 382] chdir("./84") = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 382] setpgid(0, 0) = 0 [pid 382] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 382] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 382] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 382] write(3, "1000", 4) = 4 [pid 382] close(3) = 0 [ 25.665257][ T380] incfs: Error allocating mount info. -12 [ 25.671060][ T380] incfs: mount failed -12 [ 25.695151][ T381] incfs: Error allocating mount info. -12 [ 25.700958][ T381] incfs: mount failed -12 [pid 382] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 382] write(1, "executing program\n", 18) = 18 [pid 382] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 382] close(3) = -1 EBADF (Bad file descriptor) [pid 382] close(4) = -1 EBADF (Bad file descriptor) [pid 382] close(5) = -1 EBADF (Bad file descriptor) [pid 382] close(6) = -1 EBADF (Bad file descriptor) [pid 382] close(7) = -1 EBADF (Bad file descriptor) [pid 382] close(8) = -1 EBADF (Bad file descriptor) [pid 382] close(9) = -1 EBADF (Bad file descriptor) [pid 382] close(10) = -1 EBADF (Bad file descriptor) [pid 382] close(11) = -1 EBADF (Bad file descriptor) [pid 382] close(12) = -1 EBADF (Bad file descriptor) [pid 382] close(13) = -1 EBADF (Bad file descriptor) [pid 382] close(14) = -1 EBADF (Bad file descriptor) [pid 382] close(15) = -1 EBADF (Bad file descriptor) [pid 382] close(16) = -1 EBADF (Bad file descriptor) [pid 382] close(17) = -1 EBADF (Bad file descriptor) [pid 382] close(18) = -1 EBADF (Bad file descriptor) [pid 382] close(19) = -1 EBADF (Bad file descriptor) [pid 382] close(20) = -1 EBADF (Bad file descriptor) [pid 382] close(21) = -1 EBADF (Bad file descriptor) [pid 382] close(22) = -1 EBADF (Bad file descriptor) [pid 382] close(23) = -1 EBADF (Bad file descriptor) [pid 382] close(24) = -1 EBADF (Bad file descriptor) [pid 382] close(25) = -1 EBADF (Bad file descriptor) [pid 382] close(26) = -1 EBADF (Bad file descriptor) [pid 382] close(27) = -1 EBADF (Bad file descriptor) [pid 382] close(28) = -1 EBADF (Bad file descriptor) [pid 382] close(29) = -1 EBADF (Bad file descriptor) [pid 382] exit_group(0) = ? [pid 382] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./84/binderfs") = 0 [pid 297] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./84/cgroup.net") = 0 [pid 297] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./84/cgroup.cpu") = 0 [pid 297] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./84/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./84") = 0 [pid 297] mkdir("./85", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 87 ./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x555565b1f660, 24) = 0 [pid 383] chdir("./85") = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 383] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 383] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 383] write(1, "executing program\n", 18) = 18 executing program [pid 383] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 383] close(3) = -1 EBADF (Bad file descriptor) [pid 383] close(4) = -1 EBADF (Bad file descriptor) [pid 383] close(5) = -1 EBADF (Bad file descriptor) [pid 383] close(6) = -1 EBADF (Bad file descriptor) [pid 383] close(7) = -1 EBADF (Bad file descriptor) [pid 383] close(8) = -1 EBADF (Bad file descriptor) [pid 383] close(9) = -1 EBADF (Bad file descriptor) [pid 383] close(10) = -1 EBADF (Bad file descriptor) [pid 383] close(11) = -1 EBADF (Bad file descriptor) [pid 383] close(12) = -1 EBADF (Bad file descriptor) [pid 383] close(13) = -1 EBADF (Bad file descriptor) [pid 383] close(14) = -1 EBADF (Bad file descriptor) [pid 383] close(15) = -1 EBADF (Bad file descriptor) [pid 383] close(16) = -1 EBADF (Bad file descriptor) [pid 383] close(17) = -1 EBADF (Bad file descriptor) [pid 383] close(18) = -1 EBADF (Bad file descriptor) [pid 383] close(19) = -1 EBADF (Bad file descriptor) [pid 383] close(20) = -1 EBADF (Bad file descriptor) [pid 383] close(21) = -1 EBADF (Bad file descriptor) [pid 383] close(22) = -1 EBADF (Bad file descriptor) [pid 383] close(23) = -1 EBADF (Bad file descriptor) [pid 383] close(24) = -1 EBADF (Bad file descriptor) [pid 383] close(25) = -1 EBADF (Bad file descriptor) [pid 383] close(26) = -1 EBADF (Bad file descriptor) [pid 383] close(27) = -1 EBADF (Bad file descriptor) [pid 383] close(28) = -1 EBADF (Bad file descriptor) [pid 383] close(29) = -1 EBADF (Bad file descriptor) [pid 383] exit_group(0) = ? [pid 383] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./85/binderfs") = 0 [pid 297] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./85/cgroup.net") = 0 [pid 297] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./85/cgroup.cpu") = 0 [pid 297] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./85/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./85") = 0 [pid 297] mkdir("./86", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 384 attached , child_tidptr=0x555565b1f650) = 88 [pid 384] set_robust_list(0x555565b1f660, 24) = 0 [pid 384] chdir("./86") = 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 384] setpgid(0, 0) = 0 [pid 384] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 384] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 384] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3) = 0 [pid 384] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 25.724096][ T382] incfs: Error allocating mount info. -12 [ 25.729930][ T382] incfs: mount failed -12 [ 25.753854][ T383] incfs: Error allocating mount info. -12 [ 25.759765][ T383] incfs: mount failed -12 [pid 384] write(1, "executing program\n", 18) = 18 [pid 384] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 384] close(3) = -1 EBADF (Bad file descriptor) [pid 384] close(4) = -1 EBADF (Bad file descriptor) [pid 384] close(5) = -1 EBADF (Bad file descriptor) [pid 384] close(6) = -1 EBADF (Bad file descriptor) [pid 384] close(7) = -1 EBADF (Bad file descriptor) [pid 384] close(8) = -1 EBADF (Bad file descriptor) [pid 384] close(9) = -1 EBADF (Bad file descriptor) [pid 384] close(10) = -1 EBADF (Bad file descriptor) [pid 384] close(11) = -1 EBADF (Bad file descriptor) [pid 384] close(12) = -1 EBADF (Bad file descriptor) [pid 384] close(13) = -1 EBADF (Bad file descriptor) [pid 384] close(14) = -1 EBADF (Bad file descriptor) [pid 384] close(15) = -1 EBADF (Bad file descriptor) [pid 384] close(16) = -1 EBADF (Bad file descriptor) [pid 384] close(17) = -1 EBADF (Bad file descriptor) [pid 384] close(18) = -1 EBADF (Bad file descriptor) [pid 384] close(19) = -1 EBADF (Bad file descriptor) [pid 384] close(20) = -1 EBADF (Bad file descriptor) [pid 384] close(21) = -1 EBADF (Bad file descriptor) [pid 384] close(22) = -1 EBADF (Bad file descriptor) [pid 384] close(23) = -1 EBADF (Bad file descriptor) [pid 384] close(24) = -1 EBADF (Bad file descriptor) [pid 384] close(25) = -1 EBADF (Bad file descriptor) [pid 384] close(26) = -1 EBADF (Bad file descriptor) [pid 384] close(27) = -1 EBADF (Bad file descriptor) [pid 384] close(28) = -1 EBADF (Bad file descriptor) [pid 384] close(29) = -1 EBADF (Bad file descriptor) [pid 384] exit_group(0) = ? [pid 384] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./86/binderfs") = 0 [pid 297] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./86/cgroup.net") = 0 [pid 297] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./86/cgroup.cpu") = 0 [pid 297] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./86/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./86") = 0 [pid 297] mkdir("./87", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 89 ./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x555565b1f660, 24) = 0 [pid 385] chdir("./87") = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0) = 0 [pid 385] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 385] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 385] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 385] close(3) = 0 [pid 385] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 385] write(1, "executing program\n", 18) = 18 [pid 385] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 385] close(3) = -1 EBADF (Bad file descriptor) [pid 385] close(4) = -1 EBADF (Bad file descriptor) [pid 385] close(5) = -1 EBADF (Bad file descriptor) [pid 385] close(6) = -1 EBADF (Bad file descriptor) [pid 385] close(7) = -1 EBADF (Bad file descriptor) [pid 385] close(8) = -1 EBADF (Bad file descriptor) [pid 385] close(9) = -1 EBADF (Bad file descriptor) [pid 385] close(10) = -1 EBADF (Bad file descriptor) [pid 385] close(11) = -1 EBADF (Bad file descriptor) [pid 385] close(12) = -1 EBADF (Bad file descriptor) [pid 385] close(13) = -1 EBADF (Bad file descriptor) [pid 385] close(14) = -1 EBADF (Bad file descriptor) [pid 385] close(15) = -1 EBADF (Bad file descriptor) [pid 385] close(16) = -1 EBADF (Bad file descriptor) [pid 385] close(17) = -1 EBADF (Bad file descriptor) [pid 385] close(18) = -1 EBADF (Bad file descriptor) [pid 385] close(19) = -1 EBADF (Bad file descriptor) [pid 385] close(20) = -1 EBADF (Bad file descriptor) [pid 385] close(21) = -1 EBADF (Bad file descriptor) [pid 385] close(22) = -1 EBADF (Bad file descriptor) [pid 385] close(23) = -1 EBADF (Bad file descriptor) [pid 385] close(24) = -1 EBADF (Bad file descriptor) [pid 385] close(25) = -1 EBADF (Bad file descriptor) [pid 385] close(26) = -1 EBADF (Bad file descriptor) [pid 385] close(27) = -1 EBADF (Bad file descriptor) [pid 385] close(28) = -1 EBADF (Bad file descriptor) [pid 385] close(29) = -1 EBADF (Bad file descriptor) [pid 385] exit_group(0) = ? [pid 385] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./87/binderfs") = 0 [pid 297] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./87/cgroup.net") = 0 [pid 297] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./87/cgroup.cpu") = 0 [pid 297] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./87/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./87") = 0 [pid 297] mkdir("./88", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 386 attached , child_tidptr=0x555565b1f650) = 90 [pid 386] set_robust_list(0x555565b1f660, 24) = 0 [pid 386] chdir("./88") = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 386] setpgid(0, 0) = 0 [pid 386] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 386] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 386] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 386] write(3, "1000", 4) = 4 [pid 386] close(3) = 0 [pid 386] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 386] write(1, "executing program\n", 18) = 18 [ 25.783167][ T384] incfs: Error allocating mount info. -12 [ 25.789042][ T384] incfs: mount failed -12 [ 25.808859][ T385] incfs: Error allocating mount info. -12 [ 25.814594][ T385] incfs: mount failed -12 [pid 386] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 386] close(3) = -1 EBADF (Bad file descriptor) [pid 386] close(4) = -1 EBADF (Bad file descriptor) [pid 386] close(5) = -1 EBADF (Bad file descriptor) [pid 386] close(6) = -1 EBADF (Bad file descriptor) [pid 386] close(7) = -1 EBADF (Bad file descriptor) [pid 386] close(8) = -1 EBADF (Bad file descriptor) [pid 386] close(9) = -1 EBADF (Bad file descriptor) [pid 386] close(10) = -1 EBADF (Bad file descriptor) [pid 386] close(11) = -1 EBADF (Bad file descriptor) [pid 386] close(12) = -1 EBADF (Bad file descriptor) [pid 386] close(13) = -1 EBADF (Bad file descriptor) [pid 386] close(14) = -1 EBADF (Bad file descriptor) [pid 386] close(15) = -1 EBADF (Bad file descriptor) [pid 386] close(16) = -1 EBADF (Bad file descriptor) [pid 386] close(17) = -1 EBADF (Bad file descriptor) [pid 386] close(18) = -1 EBADF (Bad file descriptor) [pid 386] close(19) = -1 EBADF (Bad file descriptor) [pid 386] close(20) = -1 EBADF (Bad file descriptor) [pid 386] close(21) = -1 EBADF (Bad file descriptor) [pid 386] close(22) = -1 EBADF (Bad file descriptor) [pid 386] close(23) = -1 EBADF (Bad file descriptor) [pid 386] close(24) = -1 EBADF (Bad file descriptor) [pid 386] close(25) = -1 EBADF (Bad file descriptor) [pid 386] close(26) = -1 EBADF (Bad file descriptor) [pid 386] close(27) = -1 EBADF (Bad file descriptor) [pid 386] close(28) = -1 EBADF (Bad file descriptor) [pid 386] close(29) = -1 EBADF (Bad file descriptor) [pid 386] exit_group(0) = ? [pid 386] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./88/binderfs") = 0 [pid 297] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./88/cgroup.net") = 0 [pid 297] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./88/cgroup.cpu") = 0 [pid 297] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./88/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./88") = 0 [pid 297] mkdir("./89", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 387 attached , child_tidptr=0x555565b1f650) = 91 [pid 387] set_robust_list(0x555565b1f660, 24) = 0 [pid 387] chdir("./89") = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 387] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 387] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 387] write(1, "executing program\n", 18executing program ) = 18 [pid 387] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 387] close(3) = -1 EBADF (Bad file descriptor) [pid 387] close(4) = -1 EBADF (Bad file descriptor) [pid 387] close(5) = -1 EBADF (Bad file descriptor) [pid 387] close(6) = -1 EBADF (Bad file descriptor) [pid 387] close(7) = -1 EBADF (Bad file descriptor) [pid 387] close(8) = -1 EBADF (Bad file descriptor) [pid 387] close(9) = -1 EBADF (Bad file descriptor) [pid 387] close(10) = -1 EBADF (Bad file descriptor) [pid 387] close(11) = -1 EBADF (Bad file descriptor) [pid 387] close(12) = -1 EBADF (Bad file descriptor) [pid 387] close(13) = -1 EBADF (Bad file descriptor) [pid 387] close(14) = -1 EBADF (Bad file descriptor) [pid 387] close(15) = -1 EBADF (Bad file descriptor) [pid 387] close(16) = -1 EBADF (Bad file descriptor) [pid 387] close(17) = -1 EBADF (Bad file descriptor) [pid 387] close(18) = -1 EBADF (Bad file descriptor) [pid 387] close(19) = -1 EBADF (Bad file descriptor) [pid 387] close(20) = -1 EBADF (Bad file descriptor) [pid 387] close(21) = -1 EBADF (Bad file descriptor) [pid 387] close(22) = -1 EBADF (Bad file descriptor) [pid 387] close(23) = -1 EBADF (Bad file descriptor) [pid 387] close(24) = -1 EBADF (Bad file descriptor) [pid 387] close(25) = -1 EBADF (Bad file descriptor) [pid 387] close(26) = -1 EBADF (Bad file descriptor) [pid 387] close(27) = -1 EBADF (Bad file descriptor) [pid 387] close(28) = -1 EBADF (Bad file descriptor) [pid 387] close(29) = -1 EBADF (Bad file descriptor) [pid 387] exit_group(0) = ? [pid 387] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./89/binderfs") = 0 [pid 297] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./89/cgroup.net") = 0 [pid 297] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./89/cgroup.cpu") = 0 [pid 297] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./89/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./89") = 0 [pid 297] mkdir("./90", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 92 ./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x555565b1f660, 24) = 0 [pid 388] chdir("./90") = 0 [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 388] setpgid(0, 0) = 0 [pid 388] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 388] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 388] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] write(3, "1000", 4) = 4 [pid 388] close(3) = 0 executing program [pid 388] symlink("/dev/binderfs", "./binderfs") = 0 [pid 388] write(1, "executing program\n", 18) = 18 [ 25.837548][ T386] incfs: Error allocating mount info. -12 [ 25.843332][ T386] incfs: mount failed -12 [ 25.862537][ T387] incfs: Error allocating mount info. -12 [ 25.868270][ T387] incfs: mount failed -12 [pid 388] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 388] close(3) = -1 EBADF (Bad file descriptor) [pid 388] close(4) = -1 EBADF (Bad file descriptor) [pid 388] close(5) = -1 EBADF (Bad file descriptor) [pid 388] close(6) = -1 EBADF (Bad file descriptor) [pid 388] close(7) = -1 EBADF (Bad file descriptor) [pid 388] close(8) = -1 EBADF (Bad file descriptor) [pid 388] close(9) = -1 EBADF (Bad file descriptor) [pid 388] close(10) = -1 EBADF (Bad file descriptor) [pid 388] close(11) = -1 EBADF (Bad file descriptor) [pid 388] close(12) = -1 EBADF (Bad file descriptor) [pid 388] close(13) = -1 EBADF (Bad file descriptor) [pid 388] close(14) = -1 EBADF (Bad file descriptor) [pid 388] close(15) = -1 EBADF (Bad file descriptor) [pid 388] close(16) = -1 EBADF (Bad file descriptor) [pid 388] close(17) = -1 EBADF (Bad file descriptor) [pid 388] close(18) = -1 EBADF (Bad file descriptor) [pid 388] close(19) = -1 EBADF (Bad file descriptor) [pid 388] close(20) = -1 EBADF (Bad file descriptor) [pid 388] close(21) = -1 EBADF (Bad file descriptor) [pid 388] close(22) = -1 EBADF (Bad file descriptor) [pid 388] close(23) = -1 EBADF (Bad file descriptor) [pid 388] close(24) = -1 EBADF (Bad file descriptor) [pid 388] close(25) = -1 EBADF (Bad file descriptor) [pid 388] close(26) = -1 EBADF (Bad file descriptor) [pid 388] close(27) = -1 EBADF (Bad file descriptor) [pid 388] close(28) = -1 EBADF (Bad file descriptor) [pid 388] close(29) = -1 EBADF (Bad file descriptor) [pid 388] exit_group(0) = ? [pid 388] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./90/binderfs") = 0 [pid 297] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./90/cgroup.net") = 0 [pid 297] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./90/cgroup.cpu") = 0 [pid 297] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./90/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./90") = 0 [pid 297] mkdir("./91", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 93 ./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x555565b1f660, 24) = 0 [pid 389] chdir("./91") = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 389] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 389] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 389] write(3, "1000", 4) = 4 [pid 389] close(3) = 0 [pid 389] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 389] write(1, "executing program\n", 18) = 18 [pid 389] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 389] close(3) = -1 EBADF (Bad file descriptor) [pid 389] close(4) = -1 EBADF (Bad file descriptor) [pid 389] close(5) = -1 EBADF (Bad file descriptor) [pid 389] close(6) = -1 EBADF (Bad file descriptor) [pid 389] close(7) = -1 EBADF (Bad file descriptor) [pid 389] close(8) = -1 EBADF (Bad file descriptor) [pid 389] close(9) = -1 EBADF (Bad file descriptor) [pid 389] close(10) = -1 EBADF (Bad file descriptor) [pid 389] close(11) = -1 EBADF (Bad file descriptor) [pid 389] close(12) = -1 EBADF (Bad file descriptor) [pid 389] close(13) = -1 EBADF (Bad file descriptor) [pid 389] close(14) = -1 EBADF (Bad file descriptor) [pid 389] close(15) = -1 EBADF (Bad file descriptor) [pid 389] close(16) = -1 EBADF (Bad file descriptor) [pid 389] close(17) = -1 EBADF (Bad file descriptor) [pid 389] close(18) = -1 EBADF (Bad file descriptor) [pid 389] close(19) = -1 EBADF (Bad file descriptor) [pid 389] close(20) = -1 EBADF (Bad file descriptor) [pid 389] close(21) = -1 EBADF (Bad file descriptor) [pid 389] close(22) = -1 EBADF (Bad file descriptor) [pid 389] close(23) = -1 EBADF (Bad file descriptor) [pid 389] close(24) = -1 EBADF (Bad file descriptor) [pid 389] close(25) = -1 EBADF (Bad file descriptor) [pid 389] close(26) = -1 EBADF (Bad file descriptor) [pid 389] close(27) = -1 EBADF (Bad file descriptor) [pid 389] close(28) = -1 EBADF (Bad file descriptor) [pid 389] close(29) = -1 EBADF (Bad file descriptor) [pid 389] exit_group(0) = ? [pid 389] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./91/binderfs") = 0 [pid 297] umount2("./91/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./91/cgroup.net") = 0 [pid 297] umount2("./91/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./91/cgroup.cpu") = 0 [pid 297] umount2("./91/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./91/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./91") = 0 [pid 297] mkdir("./92", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 390 attached , child_tidptr=0x555565b1f650) = 94 [pid 390] set_robust_list(0x555565b1f660, 24) = 0 [pid 390] chdir("./92") = 0 [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 390] setpgid(0, 0) = 0 [pid 390] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 390] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 390] write(3, "1000", 4) = 4 [pid 390] close(3) = 0 [pid 390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 390] write(1, "executing program\n", 18) = 18 [ 25.890472][ T388] incfs: Error allocating mount info. -12 [ 25.896222][ T388] incfs: mount failed -12 [ 25.916896][ T389] incfs: Error allocating mount info. -12 [ 25.922676][ T389] incfs: mount failed -12 [pid 390] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 390] close(3) = -1 EBADF (Bad file descriptor) [pid 390] close(4) = -1 EBADF (Bad file descriptor) [pid 390] close(5) = -1 EBADF (Bad file descriptor) [pid 390] close(6) = -1 EBADF (Bad file descriptor) [pid 390] close(7) = -1 EBADF (Bad file descriptor) [pid 390] close(8) = -1 EBADF (Bad file descriptor) [pid 390] close(9) = -1 EBADF (Bad file descriptor) [pid 390] close(10) = -1 EBADF (Bad file descriptor) [pid 390] close(11) = -1 EBADF (Bad file descriptor) [pid 390] close(12) = -1 EBADF (Bad file descriptor) [pid 390] close(13) = -1 EBADF (Bad file descriptor) [pid 390] close(14) = -1 EBADF (Bad file descriptor) [pid 390] close(15) = -1 EBADF (Bad file descriptor) [pid 390] close(16) = -1 EBADF (Bad file descriptor) [pid 390] close(17) = -1 EBADF (Bad file descriptor) [pid 390] close(18) = -1 EBADF (Bad file descriptor) [pid 390] close(19) = -1 EBADF (Bad file descriptor) [pid 390] close(20) = -1 EBADF (Bad file descriptor) [pid 390] close(21) = -1 EBADF (Bad file descriptor) [pid 390] close(22) = -1 EBADF (Bad file descriptor) [pid 390] close(23) = -1 EBADF (Bad file descriptor) [pid 390] close(24) = -1 EBADF (Bad file descriptor) [pid 390] close(25) = -1 EBADF (Bad file descriptor) [pid 390] close(26) = -1 EBADF (Bad file descriptor) [pid 390] close(27) = -1 EBADF (Bad file descriptor) [pid 390] close(28) = -1 EBADF (Bad file descriptor) [pid 390] close(29) = -1 EBADF (Bad file descriptor) [pid 390] exit_group(0) = ? [pid 390] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./92/binderfs") = 0 [pid 297] umount2("./92/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./92/cgroup.net") = 0 [pid 297] umount2("./92/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./92/cgroup.cpu") = 0 [pid 297] umount2("./92/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./92/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./92") = 0 [pid 297] mkdir("./93", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 95 ./strace-static-x86_64: Process 391 attached [pid 391] set_robust_list(0x555565b1f660, 24) = 0 [pid 391] chdir("./93") = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 391] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 391] write(1, "executing program\n", 18) = 18 [pid 391] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 391] close(3) = -1 EBADF (Bad file descriptor) [pid 391] close(4) = -1 EBADF (Bad file descriptor) [pid 391] close(5) = -1 EBADF (Bad file descriptor) [pid 391] close(6) = -1 EBADF (Bad file descriptor) [pid 391] close(7) = -1 EBADF (Bad file descriptor) [pid 391] close(8) = -1 EBADF (Bad file descriptor) [pid 391] close(9) = -1 EBADF (Bad file descriptor) [pid 391] close(10) = -1 EBADF (Bad file descriptor) [pid 391] close(11) = -1 EBADF (Bad file descriptor) [pid 391] close(12) = -1 EBADF (Bad file descriptor) [pid 391] close(13) = -1 EBADF (Bad file descriptor) [pid 391] close(14) = -1 EBADF (Bad file descriptor) [pid 391] close(15) = -1 EBADF (Bad file descriptor) [pid 391] close(16) = -1 EBADF (Bad file descriptor) [pid 391] close(17) = -1 EBADF (Bad file descriptor) [pid 391] close(18) = -1 EBADF (Bad file descriptor) [pid 391] close(19) = -1 EBADF (Bad file descriptor) [pid 391] close(20) = -1 EBADF (Bad file descriptor) [pid 391] close(21) = -1 EBADF (Bad file descriptor) [pid 391] close(22) = -1 EBADF (Bad file descriptor) [pid 391] close(23) = -1 EBADF (Bad file descriptor) [pid 391] close(24) = -1 EBADF (Bad file descriptor) [pid 391] close(25) = -1 EBADF (Bad file descriptor) [pid 391] close(26) = -1 EBADF (Bad file descriptor) [pid 391] close(27) = -1 EBADF (Bad file descriptor) [pid 391] close(28) = -1 EBADF (Bad file descriptor) [pid 391] close(29) = -1 EBADF (Bad file descriptor) [pid 391] exit_group(0) = ? [pid 391] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./93/binderfs") = 0 [pid 297] umount2("./93/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./93/cgroup.net") = 0 [pid 297] umount2("./93/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./93/cgroup.cpu") = 0 [pid 297] umount2("./93/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./93/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./93") = 0 [pid 297] mkdir("./94", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 392 attached , child_tidptr=0x555565b1f650) = 96 [pid 392] set_robust_list(0x555565b1f660, 24) = 0 [pid 392] chdir("./94") = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 392] setpgid(0, 0) = 0 [pid 392] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 392] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 392] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 392] write(3, "1000", 4) = 4 [pid 392] close(3) = 0 [pid 392] symlink("/dev/binderfs", "./binderfs") = 0 [ 25.944093][ T390] incfs: Error allocating mount info. -12 [ 25.949940][ T390] incfs: mount failed -12 [ 25.970793][ T391] incfs: Error allocating mount info. -12 [ 25.976527][ T391] incfs: mount failed -12 executing program [pid 392] write(1, "executing program\n", 18) = 18 [pid 392] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 392] close(3) = -1 EBADF (Bad file descriptor) [pid 392] close(4) = -1 EBADF (Bad file descriptor) [pid 392] close(5) = -1 EBADF (Bad file descriptor) [pid 392] close(6) = -1 EBADF (Bad file descriptor) [pid 392] close(7) = -1 EBADF (Bad file descriptor) [pid 392] close(8) = -1 EBADF (Bad file descriptor) [pid 392] close(9) = -1 EBADF (Bad file descriptor) [pid 392] close(10) = -1 EBADF (Bad file descriptor) [pid 392] close(11) = -1 EBADF (Bad file descriptor) [pid 392] close(12) = -1 EBADF (Bad file descriptor) [pid 392] close(13) = -1 EBADF (Bad file descriptor) [pid 392] close(14) = -1 EBADF (Bad file descriptor) [pid 392] close(15) = -1 EBADF (Bad file descriptor) [pid 392] close(16) = -1 EBADF (Bad file descriptor) [pid 392] close(17) = -1 EBADF (Bad file descriptor) [pid 392] close(18) = -1 EBADF (Bad file descriptor) [pid 392] close(19) = -1 EBADF (Bad file descriptor) [pid 392] close(20) = -1 EBADF (Bad file descriptor) [pid 392] close(21) = -1 EBADF (Bad file descriptor) [pid 392] close(22) = -1 EBADF (Bad file descriptor) [pid 392] close(23) = -1 EBADF (Bad file descriptor) [pid 392] close(24) = -1 EBADF (Bad file descriptor) [pid 392] close(25) = -1 EBADF (Bad file descriptor) [pid 392] close(26) = -1 EBADF (Bad file descriptor) [pid 392] close(27) = -1 EBADF (Bad file descriptor) [pid 392] close(28) = -1 EBADF (Bad file descriptor) [pid 392] close(29) = -1 EBADF (Bad file descriptor) [pid 392] exit_group(0) = ? [pid 392] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./94/binderfs") = 0 [pid 297] umount2("./94/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./94/cgroup.net") = 0 [pid 297] umount2("./94/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./94/cgroup.cpu") = 0 [pid 297] umount2("./94/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./94/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./94") = 0 [pid 297] mkdir("./95", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 97 ./strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x555565b1f660, 24) = 0 [pid 393] chdir("./95") = 0 [pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 393] setpgid(0, 0) = 0 [pid 393] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 393] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 393] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 393] write(3, "1000", 4) = 4 [pid 393] close(3) = 0 executing program [pid 393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 393] write(1, "executing program\n", 18) = 18 [pid 393] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 393] close(3) = -1 EBADF (Bad file descriptor) [pid 393] close(4) = -1 EBADF (Bad file descriptor) [pid 393] close(5) = -1 EBADF (Bad file descriptor) [pid 393] close(6) = -1 EBADF (Bad file descriptor) [pid 393] close(7) = -1 EBADF (Bad file descriptor) [pid 393] close(8) = -1 EBADF (Bad file descriptor) [pid 393] close(9) = -1 EBADF (Bad file descriptor) [pid 393] close(10) = -1 EBADF (Bad file descriptor) [pid 393] close(11) = -1 EBADF (Bad file descriptor) [pid 393] close(12) = -1 EBADF (Bad file descriptor) [pid 393] close(13) = -1 EBADF (Bad file descriptor) [pid 393] close(14) = -1 EBADF (Bad file descriptor) [pid 393] close(15) = -1 EBADF (Bad file descriptor) [pid 393] close(16) = -1 EBADF (Bad file descriptor) [pid 393] close(17) = -1 EBADF (Bad file descriptor) [pid 393] close(18) = -1 EBADF (Bad file descriptor) [pid 393] close(19) = -1 EBADF (Bad file descriptor) [pid 393] close(20) = -1 EBADF (Bad file descriptor) [pid 393] close(21) = -1 EBADF (Bad file descriptor) [pid 393] close(22) = -1 EBADF (Bad file descriptor) [pid 393] close(23) = -1 EBADF (Bad file descriptor) [pid 393] close(24) = -1 EBADF (Bad file descriptor) [pid 393] close(25) = -1 EBADF (Bad file descriptor) [pid 393] close(26) = -1 EBADF (Bad file descriptor) [pid 393] close(27) = -1 EBADF (Bad file descriptor) [pid 393] close(28) = -1 EBADF (Bad file descriptor) [pid 393] close(29) = -1 EBADF (Bad file descriptor) [pid 393] exit_group(0) = ? [pid 393] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./95/binderfs") = 0 [pid 297] umount2("./95/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./95/cgroup.net") = 0 [pid 297] umount2("./95/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./95/cgroup.cpu") = 0 [pid 297] umount2("./95/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./95/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./95") = 0 [pid 297] mkdir("./96", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 98 [pid 394] chdir("./96") = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 394] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 394] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 394] write(1, "executing program\n", 18executing program ) = 18 [ 26.000844][ T392] incfs: Error allocating mount info. -12 [ 26.006579][ T392] incfs: mount failed -12 [ 26.027516][ T393] incfs: Error allocating mount info. -12 [ 26.033305][ T393] incfs: mount failed -12 [pid 394] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 394] close(3) = -1 EBADF (Bad file descriptor) [pid 394] close(4) = -1 EBADF (Bad file descriptor) [pid 394] close(5) = -1 EBADF (Bad file descriptor) [pid 394] close(6) = -1 EBADF (Bad file descriptor) [pid 394] close(7) = -1 EBADF (Bad file descriptor) [pid 394] close(8) = -1 EBADF (Bad file descriptor) [pid 394] close(9) = -1 EBADF (Bad file descriptor) [pid 394] close(10) = -1 EBADF (Bad file descriptor) [pid 394] close(11) = -1 EBADF (Bad file descriptor) [pid 394] close(12) = -1 EBADF (Bad file descriptor) [pid 394] close(13) = -1 EBADF (Bad file descriptor) [pid 394] close(14) = -1 EBADF (Bad file descriptor) [pid 394] close(15) = -1 EBADF (Bad file descriptor) [pid 394] close(16) = -1 EBADF (Bad file descriptor) [pid 394] close(17) = -1 EBADF (Bad file descriptor) [pid 394] close(18) = -1 EBADF (Bad file descriptor) [pid 394] close(19) = -1 EBADF (Bad file descriptor) [pid 394] close(20) = -1 EBADF (Bad file descriptor) [pid 394] close(21) = -1 EBADF (Bad file descriptor) [pid 394] close(22) = -1 EBADF (Bad file descriptor) [pid 394] close(23) = -1 EBADF (Bad file descriptor) [pid 394] close(24) = -1 EBADF (Bad file descriptor) [pid 394] close(25) = -1 EBADF (Bad file descriptor) [pid 394] close(26) = -1 EBADF (Bad file descriptor) [pid 394] close(27) = -1 EBADF (Bad file descriptor) [pid 394] close(28) = -1 EBADF (Bad file descriptor) [pid 394] close(29) = -1 EBADF (Bad file descriptor) [pid 394] exit_group(0) = ? [pid 394] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./96/binderfs") = 0 [pid 297] umount2("./96/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./96/cgroup.net") = 0 [pid 297] umount2("./96/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./96/cgroup.cpu") = 0 [pid 297] umount2("./96/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./96/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./96") = 0 [pid 297] mkdir("./97", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 99 ./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x555565b1f660, 24) = 0 [pid 395] chdir("./97") = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 395] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 395] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 395] write(1, "executing program\n", 18) = 18 [pid 395] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 395] close(3) = -1 EBADF (Bad file descriptor) [pid 395] close(4) = -1 EBADF (Bad file descriptor) [pid 395] close(5) = -1 EBADF (Bad file descriptor) [pid 395] close(6) = -1 EBADF (Bad file descriptor) [pid 395] close(7) = -1 EBADF (Bad file descriptor) [pid 395] close(8) = -1 EBADF (Bad file descriptor) [pid 395] close(9) = -1 EBADF (Bad file descriptor) [pid 395] close(10) = -1 EBADF (Bad file descriptor) [pid 395] close(11) = -1 EBADF (Bad file descriptor) [pid 395] close(12) = -1 EBADF (Bad file descriptor) [pid 395] close(13) = -1 EBADF (Bad file descriptor) [pid 395] close(14) = -1 EBADF (Bad file descriptor) [pid 395] close(15) = -1 EBADF (Bad file descriptor) [pid 395] close(16) = -1 EBADF (Bad file descriptor) [pid 395] close(17) = -1 EBADF (Bad file descriptor) [pid 395] close(18) = -1 EBADF (Bad file descriptor) [pid 395] close(19) = -1 EBADF (Bad file descriptor) [pid 395] close(20) = -1 EBADF (Bad file descriptor) [pid 395] close(21) = -1 EBADF (Bad file descriptor) [pid 395] close(22) = -1 EBADF (Bad file descriptor) [pid 395] close(23) = -1 EBADF (Bad file descriptor) [pid 395] close(24) = -1 EBADF (Bad file descriptor) [pid 395] close(25) = -1 EBADF (Bad file descriptor) [pid 395] close(26) = -1 EBADF (Bad file descriptor) [pid 395] close(27) = -1 EBADF (Bad file descriptor) [pid 395] close(28) = -1 EBADF (Bad file descriptor) [pid 395] close(29) = -1 EBADF (Bad file descriptor) [pid 395] exit_group(0) = ? [pid 395] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./97/binderfs") = 0 [pid 297] umount2("./97/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./97/cgroup.net") = 0 [pid 297] umount2("./97/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./97/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./97/cgroup.cpu") = 0 [pid 297] umount2("./97/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./97/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./97") = 0 [pid 297] mkdir("./98", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x555565b1f660, 24) = 0 [pid 396] chdir("./98") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 100 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 396] setpgid(0, 0) = 0 [pid 396] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 396] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 396] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 396] write(3, "1000", 4) = 4 [pid 396] close(3) = 0 [pid 396] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 396] write(1, "executing program\n", 18) = 18 [ 26.051410][ T394] incfs: Error allocating mount info. -12 [ 26.057148][ T394] incfs: mount failed -12 [ 26.076537][ T395] incfs: Error allocating mount info. -12 [ 26.082370][ T395] incfs: mount failed -12 [pid 396] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 396] close(3) = -1 EBADF (Bad file descriptor) [pid 396] close(4) = -1 EBADF (Bad file descriptor) [pid 396] close(5) = -1 EBADF (Bad file descriptor) [pid 396] close(6) = -1 EBADF (Bad file descriptor) [pid 396] close(7) = -1 EBADF (Bad file descriptor) [pid 396] close(8) = -1 EBADF (Bad file descriptor) [pid 396] close(9) = -1 EBADF (Bad file descriptor) [pid 396] close(10) = -1 EBADF (Bad file descriptor) [pid 396] close(11) = -1 EBADF (Bad file descriptor) [pid 396] close(12) = -1 EBADF (Bad file descriptor) [pid 396] close(13) = -1 EBADF (Bad file descriptor) [pid 396] close(14) = -1 EBADF (Bad file descriptor) [pid 396] close(15) = -1 EBADF (Bad file descriptor) [pid 396] close(16) = -1 EBADF (Bad file descriptor) [pid 396] close(17) = -1 EBADF (Bad file descriptor) [pid 396] close(18) = -1 EBADF (Bad file descriptor) [pid 396] close(19) = -1 EBADF (Bad file descriptor) [pid 396] close(20) = -1 EBADF (Bad file descriptor) [pid 396] close(21) = -1 EBADF (Bad file descriptor) [pid 396] close(22) = -1 EBADF (Bad file descriptor) [pid 396] close(23) = -1 EBADF (Bad file descriptor) [pid 396] close(24) = -1 EBADF (Bad file descriptor) [pid 396] close(25) = -1 EBADF (Bad file descriptor) [pid 396] close(26) = -1 EBADF (Bad file descriptor) [pid 396] close(27) = -1 EBADF (Bad file descriptor) [pid 396] close(28) = -1 EBADF (Bad file descriptor) [pid 396] close(29) = -1 EBADF (Bad file descriptor) [pid 396] exit_group(0) = ? [pid 396] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./98/binderfs") = 0 [pid 297] umount2("./98/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./98/cgroup.net") = 0 [pid 297] umount2("./98/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./98/cgroup.cpu") = 0 [pid 297] umount2("./98/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./98/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./98") = 0 [pid 297] mkdir("./99", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 101 ./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x555565b1f660, 24) = 0 [pid 397] chdir("./99") = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 397] setpgid(0, 0) = 0 [pid 397] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 397] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 397] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 397] write(3, "1000", 4) = 4 [pid 397] close(3) = 0 executing program [pid 397] symlink("/dev/binderfs", "./binderfs") = 0 [pid 397] write(1, "executing program\n", 18) = 18 [pid 397] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 397] close(3) = -1 EBADF (Bad file descriptor) [pid 397] close(4) = -1 EBADF (Bad file descriptor) [pid 397] close(5) = -1 EBADF (Bad file descriptor) [pid 397] close(6) = -1 EBADF (Bad file descriptor) [pid 397] close(7) = -1 EBADF (Bad file descriptor) [pid 397] close(8) = -1 EBADF (Bad file descriptor) [pid 397] close(9) = -1 EBADF (Bad file descriptor) [pid 397] close(10) = -1 EBADF (Bad file descriptor) [pid 397] close(11) = -1 EBADF (Bad file descriptor) [pid 397] close(12) = -1 EBADF (Bad file descriptor) [pid 397] close(13) = -1 EBADF (Bad file descriptor) [pid 397] close(14) = -1 EBADF (Bad file descriptor) [pid 397] close(15) = -1 EBADF (Bad file descriptor) [pid 397] close(16) = -1 EBADF (Bad file descriptor) [pid 397] close(17) = -1 EBADF (Bad file descriptor) [pid 397] close(18) = -1 EBADF (Bad file descriptor) [pid 397] close(19) = -1 EBADF (Bad file descriptor) [pid 397] close(20) = -1 EBADF (Bad file descriptor) [pid 397] close(21) = -1 EBADF (Bad file descriptor) [pid 397] close(22) = -1 EBADF (Bad file descriptor) [pid 397] close(23) = -1 EBADF (Bad file descriptor) [pid 397] close(24) = -1 EBADF (Bad file descriptor) [pid 397] close(25) = -1 EBADF (Bad file descriptor) [pid 397] close(26) = -1 EBADF (Bad file descriptor) [pid 397] close(27) = -1 EBADF (Bad file descriptor) [pid 397] close(28) = -1 EBADF (Bad file descriptor) [pid 397] close(29) = -1 EBADF (Bad file descriptor) [pid 397] exit_group(0) = ? [pid 397] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./99/binderfs") = 0 [pid 297] umount2("./99/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./99/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./99/cgroup.net") = 0 [pid 297] umount2("./99/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./99/cgroup.cpu") = 0 [pid 297] umount2("./99/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./99/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./99/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./99") = 0 [pid 297] mkdir("./100", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 102 [pid 398] chdir("./100") = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 398] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 398] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 [pid 398] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 398] write(1, "executing program\n", 18) = 18 [ 26.104411][ T396] incfs: Error allocating mount info. -12 [ 26.110202][ T396] incfs: mount failed -12 [ 26.132590][ T397] incfs: Error allocating mount info. -12 [ 26.138326][ T397] incfs: mount failed -12 [pid 398] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 398] close(3) = -1 EBADF (Bad file descriptor) [pid 398] close(4) = -1 EBADF (Bad file descriptor) [pid 398] close(5) = -1 EBADF (Bad file descriptor) [pid 398] close(6) = -1 EBADF (Bad file descriptor) [pid 398] close(7) = -1 EBADF (Bad file descriptor) [pid 398] close(8) = -1 EBADF (Bad file descriptor) [pid 398] close(9) = -1 EBADF (Bad file descriptor) [pid 398] close(10) = -1 EBADF (Bad file descriptor) [pid 398] close(11) = -1 EBADF (Bad file descriptor) [pid 398] close(12) = -1 EBADF (Bad file descriptor) [pid 398] close(13) = -1 EBADF (Bad file descriptor) [pid 398] close(14) = -1 EBADF (Bad file descriptor) [pid 398] close(15) = -1 EBADF (Bad file descriptor) [pid 398] close(16) = -1 EBADF (Bad file descriptor) [pid 398] close(17) = -1 EBADF (Bad file descriptor) [pid 398] close(18) = -1 EBADF (Bad file descriptor) [pid 398] close(19) = -1 EBADF (Bad file descriptor) [pid 398] close(20) = -1 EBADF (Bad file descriptor) [pid 398] close(21) = -1 EBADF (Bad file descriptor) [pid 398] close(22) = -1 EBADF (Bad file descriptor) [pid 398] close(23) = -1 EBADF (Bad file descriptor) [pid 398] close(24) = -1 EBADF (Bad file descriptor) [pid 398] close(25) = -1 EBADF (Bad file descriptor) [pid 398] close(26) = -1 EBADF (Bad file descriptor) [pid 398] close(27) = -1 EBADF (Bad file descriptor) [pid 398] close(28) = -1 EBADF (Bad file descriptor) [pid 398] close(29) = -1 EBADF (Bad file descriptor) [pid 398] exit_group(0) = ? [pid 398] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./100/binderfs") = 0 [pid 297] umount2("./100/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./100/cgroup.net") = 0 [pid 297] umount2("./100/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./100/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./100/cgroup.cpu") = 0 [pid 297] umount2("./100/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./100/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./100") = 0 [pid 297] mkdir("./101", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 103 ./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x555565b1f660, 24) = 0 [pid 399] chdir("./101") = 0 [pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 399] setpgid(0, 0) = 0 [pid 399] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 399] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 399] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 399] write(3, "1000", 4) = 4 [pid 399] close(3) = 0 [pid 399] symlink("/dev/binderfs", "./binderfs") = 0 [pid 399] write(1, "executing program\n", 18executing program ) = 18 [pid 399] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 399] close(3) = -1 EBADF (Bad file descriptor) [pid 399] close(4) = -1 EBADF (Bad file descriptor) [pid 399] close(5) = -1 EBADF (Bad file descriptor) [pid 399] close(6) = -1 EBADF (Bad file descriptor) [pid 399] close(7) = -1 EBADF (Bad file descriptor) [pid 399] close(8) = -1 EBADF (Bad file descriptor) [pid 399] close(9) = -1 EBADF (Bad file descriptor) [pid 399] close(10) = -1 EBADF (Bad file descriptor) [pid 399] close(11) = -1 EBADF (Bad file descriptor) [pid 399] close(12) = -1 EBADF (Bad file descriptor) [pid 399] close(13) = -1 EBADF (Bad file descriptor) [pid 399] close(14) = -1 EBADF (Bad file descriptor) [pid 399] close(15) = -1 EBADF (Bad file descriptor) [pid 399] close(16) = -1 EBADF (Bad file descriptor) [pid 399] close(17) = -1 EBADF (Bad file descriptor) [pid 399] close(18) = -1 EBADF (Bad file descriptor) [pid 399] close(19) = -1 EBADF (Bad file descriptor) [pid 399] close(20) = -1 EBADF (Bad file descriptor) [pid 399] close(21) = -1 EBADF (Bad file descriptor) [pid 399] close(22) = -1 EBADF (Bad file descriptor) [pid 399] close(23) = -1 EBADF (Bad file descriptor) [pid 399] close(24) = -1 EBADF (Bad file descriptor) [pid 399] close(25) = -1 EBADF (Bad file descriptor) [pid 399] close(26) = -1 EBADF (Bad file descriptor) [pid 399] close(27) = -1 EBADF (Bad file descriptor) [pid 399] close(28) = -1 EBADF (Bad file descriptor) [pid 399] close(29) = -1 EBADF (Bad file descriptor) [pid 399] exit_group(0) = ? [pid 399] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./101/binderfs") = 0 [pid 297] umount2("./101/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./101/cgroup.net") = 0 [pid 297] umount2("./101/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./101/cgroup.cpu") = 0 [pid 297] umount2("./101/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./101/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./101") = 0 [pid 297] mkdir("./102", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x555565b1f660, 24 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 104 [pid 400] <... set_robust_list resumed>) = 0 [pid 400] chdir("./102") = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 400] setpgid(0, 0) = 0 [pid 400] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 400] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 400] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 400] write(3, "1000", 4) = 4 [pid 400] close(3) = 0 [pid 400] symlink("/dev/binderfs", "./binderfs") = 0 [pid 400] write(1, "executing program\n", 18executing program ) = 18 [ 26.164558][ T398] incfs: Error allocating mount info. -12 [ 26.170357][ T398] incfs: mount failed -12 [ 26.189844][ T399] incfs: Error allocating mount info. -12 [ 26.195578][ T399] incfs: mount failed -12 [pid 400] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 400] close(3) = -1 EBADF (Bad file descriptor) [pid 400] close(4) = -1 EBADF (Bad file descriptor) [pid 400] close(5) = -1 EBADF (Bad file descriptor) [pid 400] close(6) = -1 EBADF (Bad file descriptor) [pid 400] close(7) = -1 EBADF (Bad file descriptor) [pid 400] close(8) = -1 EBADF (Bad file descriptor) [pid 400] close(9) = -1 EBADF (Bad file descriptor) [pid 400] close(10) = -1 EBADF (Bad file descriptor) [pid 400] close(11) = -1 EBADF (Bad file descriptor) [pid 400] close(12) = -1 EBADF (Bad file descriptor) [pid 400] close(13) = -1 EBADF (Bad file descriptor) [pid 400] close(14) = -1 EBADF (Bad file descriptor) [pid 400] close(15) = -1 EBADF (Bad file descriptor) [pid 400] close(16) = -1 EBADF (Bad file descriptor) [pid 400] close(17) = -1 EBADF (Bad file descriptor) [pid 400] close(18) = -1 EBADF (Bad file descriptor) [pid 400] close(19) = -1 EBADF (Bad file descriptor) [pid 400] close(20) = -1 EBADF (Bad file descriptor) [pid 400] close(21) = -1 EBADF (Bad file descriptor) [pid 400] close(22) = -1 EBADF (Bad file descriptor) [pid 400] close(23) = -1 EBADF (Bad file descriptor) [pid 400] close(24) = -1 EBADF (Bad file descriptor) [pid 400] close(25) = -1 EBADF (Bad file descriptor) [pid 400] close(26) = -1 EBADF (Bad file descriptor) [pid 400] close(27) = -1 EBADF (Bad file descriptor) [pid 400] close(28) = -1 EBADF (Bad file descriptor) [pid 400] close(29) = -1 EBADF (Bad file descriptor) [pid 400] exit_group(0) = ? [pid 400] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./102/binderfs") = 0 [pid 297] umount2("./102/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./102/cgroup.net") = 0 [pid 297] umount2("./102/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./102/cgroup.cpu") = 0 [pid 297] umount2("./102/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./102/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./102") = 0 [pid 297] mkdir("./103", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 105 ./strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x555565b1f660, 24) = 0 [pid 401] chdir("./103") = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 401] setpgid(0, 0) = 0 [pid 401] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 401] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 401] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 401] write(3, "1000", 4) = 4 [pid 401] close(3) = 0 [pid 401] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 401] write(1, "executing program\n", 18) = 18 [pid 401] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 401] close(3) = -1 EBADF (Bad file descriptor) [pid 401] close(4) = -1 EBADF (Bad file descriptor) [pid 401] close(5) = -1 EBADF (Bad file descriptor) [pid 401] close(6) = -1 EBADF (Bad file descriptor) [pid 401] close(7) = -1 EBADF (Bad file descriptor) [pid 401] close(8) = -1 EBADF (Bad file descriptor) [pid 401] close(9) = -1 EBADF (Bad file descriptor) [pid 401] close(10) = -1 EBADF (Bad file descriptor) [pid 401] close(11) = -1 EBADF (Bad file descriptor) [pid 401] close(12) = -1 EBADF (Bad file descriptor) [pid 401] close(13) = -1 EBADF (Bad file descriptor) [pid 401] close(14) = -1 EBADF (Bad file descriptor) [pid 401] close(15) = -1 EBADF (Bad file descriptor) [pid 401] close(16) = -1 EBADF (Bad file descriptor) [pid 401] close(17) = -1 EBADF (Bad file descriptor) [pid 401] close(18) = -1 EBADF (Bad file descriptor) [pid 401] close(19) = -1 EBADF (Bad file descriptor) [pid 401] close(20) = -1 EBADF (Bad file descriptor) [pid 401] close(21) = -1 EBADF (Bad file descriptor) [pid 401] close(22) = -1 EBADF (Bad file descriptor) [pid 401] close(23) = -1 EBADF (Bad file descriptor) [pid 401] close(24) = -1 EBADF (Bad file descriptor) [pid 401] close(25) = -1 EBADF (Bad file descriptor) [pid 401] close(26) = -1 EBADF (Bad file descriptor) [pid 401] close(27) = -1 EBADF (Bad file descriptor) [pid 401] close(28) = -1 EBADF (Bad file descriptor) [pid 401] close(29) = -1 EBADF (Bad file descriptor) [pid 401] exit_group(0) = ? [pid 401] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./103/binderfs") = 0 [pid 297] umount2("./103/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./103/cgroup.net") = 0 [pid 297] umount2("./103/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./103/cgroup.cpu") = 0 [pid 297] umount2("./103/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./103/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./103/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./103") = 0 [pid 297] mkdir("./104", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x555565b1f660, 24) = 0 [pid 402] chdir("./104" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 106 [pid 402] <... chdir resumed>) = 0 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 402] setpgid(0, 0) = 0 [pid 402] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 402] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 402] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 402] write(3, "1000", 4) = 4 [pid 402] close(3) = 0 [pid 402] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 402] write(1, "executing program\n", 18) = 18 [ 26.214119][ T400] incfs: Error allocating mount info. -12 [ 26.219915][ T400] incfs: mount failed -12 [ 26.238701][ T401] incfs: Error allocating mount info. -12 [ 26.244433][ T401] incfs: mount failed -12 [pid 402] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 402] close(3) = -1 EBADF (Bad file descriptor) [pid 402] close(4) = -1 EBADF (Bad file descriptor) [pid 402] close(5) = -1 EBADF (Bad file descriptor) [pid 402] close(6) = -1 EBADF (Bad file descriptor) [pid 402] close(7) = -1 EBADF (Bad file descriptor) [pid 402] close(8) = -1 EBADF (Bad file descriptor) [pid 402] close(9) = -1 EBADF (Bad file descriptor) [pid 402] close(10) = -1 EBADF (Bad file descriptor) [pid 402] close(11) = -1 EBADF (Bad file descriptor) [pid 402] close(12) = -1 EBADF (Bad file descriptor) [pid 402] close(13) = -1 EBADF (Bad file descriptor) [pid 402] close(14) = -1 EBADF (Bad file descriptor) [pid 402] close(15) = -1 EBADF (Bad file descriptor) [pid 402] close(16) = -1 EBADF (Bad file descriptor) [pid 402] close(17) = -1 EBADF (Bad file descriptor) [pid 402] close(18) = -1 EBADF (Bad file descriptor) [pid 402] close(19) = -1 EBADF (Bad file descriptor) [pid 402] close(20) = -1 EBADF (Bad file descriptor) [pid 402] close(21) = -1 EBADF (Bad file descriptor) [pid 402] close(22) = -1 EBADF (Bad file descriptor) [pid 402] close(23) = -1 EBADF (Bad file descriptor) [pid 402] close(24) = -1 EBADF (Bad file descriptor) [pid 402] close(25) = -1 EBADF (Bad file descriptor) [pid 402] close(26) = -1 EBADF (Bad file descriptor) [pid 402] close(27) = -1 EBADF (Bad file descriptor) [pid 402] close(28) = -1 EBADF (Bad file descriptor) [pid 402] close(29) = -1 EBADF (Bad file descriptor) [pid 402] exit_group(0) = ? [pid 402] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./104/binderfs") = 0 [pid 297] umount2("./104/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./104/cgroup.net") = 0 [pid 297] umount2("./104/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./104/cgroup.cpu") = 0 [pid 297] umount2("./104/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./104/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./104") = 0 [pid 297] mkdir("./105", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x555565b1f660, 24) = 0 [pid 403] chdir("./105") = 0 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0) = 0 [pid 403] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 403] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 107 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 403] write(1, "executing program\n", 18) = 18 [pid 403] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 403] close(3) = -1 EBADF (Bad file descriptor) [pid 403] close(4) = -1 EBADF (Bad file descriptor) [pid 403] close(5) = -1 EBADF (Bad file descriptor) [pid 403] close(6) = -1 EBADF (Bad file descriptor) [pid 403] close(7) = -1 EBADF (Bad file descriptor) [pid 403] close(8) = -1 EBADF (Bad file descriptor) [pid 403] close(9) = -1 EBADF (Bad file descriptor) [pid 403] close(10) = -1 EBADF (Bad file descriptor) [pid 403] close(11) = -1 EBADF (Bad file descriptor) [pid 403] close(12) = -1 EBADF (Bad file descriptor) [pid 403] close(13) = -1 EBADF (Bad file descriptor) [pid 403] close(14) = -1 EBADF (Bad file descriptor) [pid 403] close(15) = -1 EBADF (Bad file descriptor) [pid 403] close(16) = -1 EBADF (Bad file descriptor) [pid 403] close(17) = -1 EBADF (Bad file descriptor) [pid 403] close(18) = -1 EBADF (Bad file descriptor) [pid 403] close(19) = -1 EBADF (Bad file descriptor) [pid 403] close(20) = -1 EBADF (Bad file descriptor) [pid 403] close(21) = -1 EBADF (Bad file descriptor) [pid 403] close(22) = -1 EBADF (Bad file descriptor) [pid 403] close(23) = -1 EBADF (Bad file descriptor) [pid 403] close(24) = -1 EBADF (Bad file descriptor) [pid 403] close(25) = -1 EBADF (Bad file descriptor) [pid 403] close(26) = -1 EBADF (Bad file descriptor) [pid 403] close(27) = -1 EBADF (Bad file descriptor) [pid 403] close(28) = -1 EBADF (Bad file descriptor) [pid 403] close(29) = -1 EBADF (Bad file descriptor) [pid 403] exit_group(0) = ? [pid 403] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./105/binderfs") = 0 [pid 297] umount2("./105/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./105/cgroup.net") = 0 [pid 297] umount2("./105/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./105/cgroup.cpu") = 0 [pid 297] umount2("./105/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./105/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./105") = 0 [pid 297] mkdir("./106", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 108 ./strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x555565b1f660, 24) = 0 [pid 404] chdir("./106") = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0) = 0 [pid 404] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 404] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 404] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 404] write(3, "1000", 4) = 4 [pid 404] close(3) = 0 [pid 404] symlink("/dev/binderfs", "./binderfs") = 0 [pid 404] write(1, "executing program\n", 18executing program ) = 18 [ 26.267814][ T402] incfs: Error allocating mount info. -12 [ 26.273604][ T402] incfs: mount failed -12 [ 26.293716][ T403] incfs: Error allocating mount info. -12 [ 26.299500][ T403] incfs: mount failed -12 [pid 404] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 404] close(3) = -1 EBADF (Bad file descriptor) [pid 404] close(4) = -1 EBADF (Bad file descriptor) [pid 404] close(5) = -1 EBADF (Bad file descriptor) [pid 404] close(6) = -1 EBADF (Bad file descriptor) [pid 404] close(7) = -1 EBADF (Bad file descriptor) [pid 404] close(8) = -1 EBADF (Bad file descriptor) [pid 404] close(9) = -1 EBADF (Bad file descriptor) [pid 404] close(10) = -1 EBADF (Bad file descriptor) [pid 404] close(11) = -1 EBADF (Bad file descriptor) [pid 404] close(12) = -1 EBADF (Bad file descriptor) [pid 404] close(13) = -1 EBADF (Bad file descriptor) [pid 404] close(14) = -1 EBADF (Bad file descriptor) [pid 404] close(15) = -1 EBADF (Bad file descriptor) [pid 404] close(16) = -1 EBADF (Bad file descriptor) [pid 404] close(17) = -1 EBADF (Bad file descriptor) [pid 404] close(18) = -1 EBADF (Bad file descriptor) [pid 404] close(19) = -1 EBADF (Bad file descriptor) [pid 404] close(20) = -1 EBADF (Bad file descriptor) [pid 404] close(21) = -1 EBADF (Bad file descriptor) [pid 404] close(22) = -1 EBADF (Bad file descriptor) [pid 404] close(23) = -1 EBADF (Bad file descriptor) [pid 404] close(24) = -1 EBADF (Bad file descriptor) [pid 404] close(25) = -1 EBADF (Bad file descriptor) [pid 404] close(26) = -1 EBADF (Bad file descriptor) [pid 404] close(27) = -1 EBADF (Bad file descriptor) [pid 404] close(28) = -1 EBADF (Bad file descriptor) [pid 404] close(29) = -1 EBADF (Bad file descriptor) [pid 404] exit_group(0) = ? [pid 404] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./106/binderfs") = 0 [pid 297] umount2("./106/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./106/cgroup.net") = 0 [pid 297] umount2("./106/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./106/cgroup.cpu") = 0 [pid 297] umount2("./106/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./106/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./106") = 0 [pid 297] mkdir("./107", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 405 attached , child_tidptr=0x555565b1f650) = 109 [pid 405] set_robust_list(0x555565b1f660, 24) = 0 [pid 405] chdir("./107") = 0 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 405] setpgid(0, 0) = 0 [pid 405] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 405] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 405] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 405] write(1, "executing program\n", 18) = 18 [pid 405] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 405] close(3) = -1 EBADF (Bad file descriptor) [pid 405] close(4) = -1 EBADF (Bad file descriptor) [pid 405] close(5) = -1 EBADF (Bad file descriptor) [pid 405] close(6) = -1 EBADF (Bad file descriptor) [pid 405] close(7) = -1 EBADF (Bad file descriptor) [pid 405] close(8) = -1 EBADF (Bad file descriptor) [pid 405] close(9) = -1 EBADF (Bad file descriptor) [pid 405] close(10) = -1 EBADF (Bad file descriptor) [pid 405] close(11) = -1 EBADF (Bad file descriptor) [pid 405] close(12) = -1 EBADF (Bad file descriptor) [pid 405] close(13) = -1 EBADF (Bad file descriptor) [pid 405] close(14) = -1 EBADF (Bad file descriptor) [pid 405] close(15) = -1 EBADF (Bad file descriptor) [pid 405] close(16) = -1 EBADF (Bad file descriptor) [pid 405] close(17) = -1 EBADF (Bad file descriptor) [pid 405] close(18) = -1 EBADF (Bad file descriptor) [pid 405] close(19) = -1 EBADF (Bad file descriptor) [pid 405] close(20) = -1 EBADF (Bad file descriptor) [pid 405] close(21) = -1 EBADF (Bad file descriptor) [pid 405] close(22) = -1 EBADF (Bad file descriptor) [pid 405] close(23) = -1 EBADF (Bad file descriptor) [pid 405] close(24) = -1 EBADF (Bad file descriptor) [pid 405] close(25) = -1 EBADF (Bad file descriptor) [pid 405] close(26) = -1 EBADF (Bad file descriptor) [pid 405] close(27) = -1 EBADF (Bad file descriptor) [pid 405] close(28) = -1 EBADF (Bad file descriptor) [pid 405] close(29) = -1 EBADF (Bad file descriptor) [pid 405] exit_group(0) = ? [pid 405] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./107/binderfs") = 0 [pid 297] umount2("./107/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./107/cgroup.net") = 0 [pid 297] umount2("./107/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./107/cgroup.cpu") = 0 [pid 297] umount2("./107/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./107/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./107") = 0 [pid 297] mkdir("./108", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 406 attached , child_tidptr=0x555565b1f650) = 110 [pid 406] set_robust_list(0x555565b1f660, 24) = 0 [pid 406] chdir("./108") = 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 406] setpgid(0, 0) = 0 [pid 406] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 406] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 406] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 406] write(3, "1000", 4) = 4 [pid 406] close(3) = 0 [pid 406] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 406] write(1, "executing program\n", 18) = 18 [ 26.322563][ T404] incfs: Error allocating mount info. -12 [ 26.328300][ T404] incfs: mount failed -12 [ 26.350261][ T405] incfs: Error allocating mount info. -12 [ 26.356049][ T405] incfs: mount failed -12 [pid 406] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 406] close(3) = -1 EBADF (Bad file descriptor) [pid 406] close(4) = -1 EBADF (Bad file descriptor) [pid 406] close(5) = -1 EBADF (Bad file descriptor) [pid 406] close(6) = -1 EBADF (Bad file descriptor) [pid 406] close(7) = -1 EBADF (Bad file descriptor) [pid 406] close(8) = -1 EBADF (Bad file descriptor) [pid 406] close(9) = -1 EBADF (Bad file descriptor) [pid 406] close(10) = -1 EBADF (Bad file descriptor) [pid 406] close(11) = -1 EBADF (Bad file descriptor) [pid 406] close(12) = -1 EBADF (Bad file descriptor) [pid 406] close(13) = -1 EBADF (Bad file descriptor) [pid 406] close(14) = -1 EBADF (Bad file descriptor) [pid 406] close(15) = -1 EBADF (Bad file descriptor) [pid 406] close(16) = -1 EBADF (Bad file descriptor) [pid 406] close(17) = -1 EBADF (Bad file descriptor) [pid 406] close(18) = -1 EBADF (Bad file descriptor) [pid 406] close(19) = -1 EBADF (Bad file descriptor) [pid 406] close(20) = -1 EBADF (Bad file descriptor) [pid 406] close(21) = -1 EBADF (Bad file descriptor) [pid 406] close(22) = -1 EBADF (Bad file descriptor) [pid 406] close(23) = -1 EBADF (Bad file descriptor) [pid 406] close(24) = -1 EBADF (Bad file descriptor) [pid 406] close(25) = -1 EBADF (Bad file descriptor) [pid 406] close(26) = -1 EBADF (Bad file descriptor) [pid 406] close(27) = -1 EBADF (Bad file descriptor) [pid 406] close(28) = -1 EBADF (Bad file descriptor) [pid 406] close(29) = -1 EBADF (Bad file descriptor) [pid 406] exit_group(0) = ? [pid 406] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./108/binderfs") = 0 [pid 297] umount2("./108/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./108/cgroup.net") = 0 [pid 297] umount2("./108/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./108/cgroup.cpu") = 0 [pid 297] umount2("./108/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./108/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./108") = 0 [pid 297] mkdir("./109", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 111 ./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x555565b1f660, 24) = 0 [pid 407] chdir("./109") = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 407] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 [pid 407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 407] write(1, "executing program\n", 18executing program ) = 18 [pid 407] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 407] close(3) = -1 EBADF (Bad file descriptor) [pid 407] close(4) = -1 EBADF (Bad file descriptor) [pid 407] close(5) = -1 EBADF (Bad file descriptor) [pid 407] close(6) = -1 EBADF (Bad file descriptor) [pid 407] close(7) = -1 EBADF (Bad file descriptor) [pid 407] close(8) = -1 EBADF (Bad file descriptor) [pid 407] close(9) = -1 EBADF (Bad file descriptor) [pid 407] close(10) = -1 EBADF (Bad file descriptor) [pid 407] close(11) = -1 EBADF (Bad file descriptor) [pid 407] close(12) = -1 EBADF (Bad file descriptor) [pid 407] close(13) = -1 EBADF (Bad file descriptor) [pid 407] close(14) = -1 EBADF (Bad file descriptor) [pid 407] close(15) = -1 EBADF (Bad file descriptor) [pid 407] close(16) = -1 EBADF (Bad file descriptor) [pid 407] close(17) = -1 EBADF (Bad file descriptor) [pid 407] close(18) = -1 EBADF (Bad file descriptor) [pid 407] close(19) = -1 EBADF (Bad file descriptor) [pid 407] close(20) = -1 EBADF (Bad file descriptor) [pid 407] close(21) = -1 EBADF (Bad file descriptor) [pid 407] close(22) = -1 EBADF (Bad file descriptor) [pid 407] close(23) = -1 EBADF (Bad file descriptor) [pid 407] close(24) = -1 EBADF (Bad file descriptor) [pid 407] close(25) = -1 EBADF (Bad file descriptor) [pid 407] close(26) = -1 EBADF (Bad file descriptor) [pid 407] close(27) = -1 EBADF (Bad file descriptor) [pid 407] close(28) = -1 EBADF (Bad file descriptor) [pid 407] close(29) = -1 EBADF (Bad file descriptor) [pid 407] exit_group(0) = ? [pid 407] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./109/binderfs") = 0 [pid 297] umount2("./109/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./109/cgroup.net") = 0 [pid 297] umount2("./109/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./109/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./109/cgroup.cpu") = 0 [pid 297] umount2("./109/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./109/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./109") = 0 [pid 297] mkdir("./110", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 112 ./strace-static-x86_64: Process 408 attached [pid 408] set_robust_list(0x555565b1f660, 24) = 0 [pid 408] chdir("./110") = 0 [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 408] setpgid(0, 0) = 0 [pid 408] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 408] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 408] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 408] write(3, "1000", 4) = 4 [pid 408] close(3) = 0 [pid 408] symlink("/dev/binderfs", "./binderfs") = 0 [pid 408] write(1, "executing program\n", 18executing program ) = 18 [ 26.378926][ T406] incfs: Error allocating mount info. -12 [ 26.384662][ T406] incfs: mount failed -12 [ 26.406378][ T407] incfs: Error allocating mount info. -12 [ 26.412197][ T407] incfs: mount failed -12 [pid 408] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 408] close(3) = -1 EBADF (Bad file descriptor) [pid 408] close(4) = -1 EBADF (Bad file descriptor) [pid 408] close(5) = -1 EBADF (Bad file descriptor) [pid 408] close(6) = -1 EBADF (Bad file descriptor) [pid 408] close(7) = -1 EBADF (Bad file descriptor) [pid 408] close(8) = -1 EBADF (Bad file descriptor) [pid 408] close(9) = -1 EBADF (Bad file descriptor) [pid 408] close(10) = -1 EBADF (Bad file descriptor) [pid 408] close(11) = -1 EBADF (Bad file descriptor) [pid 408] close(12) = -1 EBADF (Bad file descriptor) [pid 408] close(13) = -1 EBADF (Bad file descriptor) [pid 408] close(14) = -1 EBADF (Bad file descriptor) [pid 408] close(15) = -1 EBADF (Bad file descriptor) [pid 408] close(16) = -1 EBADF (Bad file descriptor) [pid 408] close(17) = -1 EBADF (Bad file descriptor) [pid 408] close(18) = -1 EBADF (Bad file descriptor) [pid 408] close(19) = -1 EBADF (Bad file descriptor) [pid 408] close(20) = -1 EBADF (Bad file descriptor) [pid 408] close(21) = -1 EBADF (Bad file descriptor) [pid 408] close(22) = -1 EBADF (Bad file descriptor) [pid 408] close(23) = -1 EBADF (Bad file descriptor) [pid 408] close(24) = -1 EBADF (Bad file descriptor) [pid 408] close(25) = -1 EBADF (Bad file descriptor) [pid 408] close(26) = -1 EBADF (Bad file descriptor) [pid 408] close(27) = -1 EBADF (Bad file descriptor) [pid 408] close(28) = -1 EBADF (Bad file descriptor) [pid 408] close(29) = -1 EBADF (Bad file descriptor) [pid 408] exit_group(0) = ? [pid 408] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./110/binderfs") = 0 [pid 297] umount2("./110/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./110/cgroup.net") = 0 [pid 297] umount2("./110/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./110/cgroup.cpu") = 0 [pid 297] umount2("./110/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./110/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./110") = 0 [pid 297] mkdir("./111", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 113 ./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x555565b1f660, 24) = 0 [pid 409] chdir("./111") = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 409] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 409] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 409] write(1, "executing program\n", 18) = 18 [pid 409] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 409] close(3) = -1 EBADF (Bad file descriptor) [pid 409] close(4) = -1 EBADF (Bad file descriptor) [pid 409] close(5) = -1 EBADF (Bad file descriptor) [pid 409] close(6) = -1 EBADF (Bad file descriptor) [pid 409] close(7) = -1 EBADF (Bad file descriptor) [pid 409] close(8) = -1 EBADF (Bad file descriptor) [pid 409] close(9) = -1 EBADF (Bad file descriptor) [pid 409] close(10) = -1 EBADF (Bad file descriptor) [pid 409] close(11) = -1 EBADF (Bad file descriptor) [pid 409] close(12) = -1 EBADF (Bad file descriptor) [pid 409] close(13) = -1 EBADF (Bad file descriptor) [pid 409] close(14) = -1 EBADF (Bad file descriptor) [pid 409] close(15) = -1 EBADF (Bad file descriptor) [pid 409] close(16) = -1 EBADF (Bad file descriptor) [pid 409] close(17) = -1 EBADF (Bad file descriptor) [pid 409] close(18) = -1 EBADF (Bad file descriptor) [pid 409] close(19) = -1 EBADF (Bad file descriptor) [pid 409] close(20) = -1 EBADF (Bad file descriptor) [pid 409] close(21) = -1 EBADF (Bad file descriptor) [pid 409] close(22) = -1 EBADF (Bad file descriptor) [pid 409] close(23) = -1 EBADF (Bad file descriptor) [pid 409] close(24) = -1 EBADF (Bad file descriptor) [pid 409] close(25) = -1 EBADF (Bad file descriptor) [pid 409] close(26) = -1 EBADF (Bad file descriptor) [pid 409] close(27) = -1 EBADF (Bad file descriptor) [pid 409] close(28) = -1 EBADF (Bad file descriptor) [pid 409] close(29) = -1 EBADF (Bad file descriptor) [pid 409] exit_group(0) = ? [pid 409] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./111/binderfs") = 0 [pid 297] umount2("./111/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./111/cgroup.net") = 0 [pid 297] umount2("./111/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./111/cgroup.cpu") = 0 [pid 297] umount2("./111/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./111/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./111/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./111") = 0 [pid 297] mkdir("./112", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x555565b1f660, 24) = 0 [pid 410] chdir("./112" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 114 [pid 410] <... chdir resumed>) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 410] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 410] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 410] write(1, "executing program\n", 18) = 18 [ 26.436994][ T408] incfs: Error allocating mount info. -12 [ 26.442772][ T408] incfs: mount failed -12 [ 26.464212][ T409] incfs: Error allocating mount info. -12 [ 26.470060][ T409] incfs: mount failed -12 [pid 410] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 410] close(3) = -1 EBADF (Bad file descriptor) [pid 410] close(4) = -1 EBADF (Bad file descriptor) [pid 410] close(5) = -1 EBADF (Bad file descriptor) [pid 410] close(6) = -1 EBADF (Bad file descriptor) [pid 410] close(7) = -1 EBADF (Bad file descriptor) [pid 410] close(8) = -1 EBADF (Bad file descriptor) [pid 410] close(9) = -1 EBADF (Bad file descriptor) [pid 410] close(10) = -1 EBADF (Bad file descriptor) [pid 410] close(11) = -1 EBADF (Bad file descriptor) [pid 410] close(12) = -1 EBADF (Bad file descriptor) [pid 410] close(13) = -1 EBADF (Bad file descriptor) [pid 410] close(14) = -1 EBADF (Bad file descriptor) [pid 410] close(15) = -1 EBADF (Bad file descriptor) [pid 410] close(16) = -1 EBADF (Bad file descriptor) [pid 410] close(17) = -1 EBADF (Bad file descriptor) [pid 410] close(18) = -1 EBADF (Bad file descriptor) [pid 410] close(19) = -1 EBADF (Bad file descriptor) [pid 410] close(20) = -1 EBADF (Bad file descriptor) [pid 410] close(21) = -1 EBADF (Bad file descriptor) [pid 410] close(22) = -1 EBADF (Bad file descriptor) [pid 410] close(23) = -1 EBADF (Bad file descriptor) [pid 410] close(24) = -1 EBADF (Bad file descriptor) [pid 410] close(25) = -1 EBADF (Bad file descriptor) [pid 410] close(26) = -1 EBADF (Bad file descriptor) [pid 410] close(27) = -1 EBADF (Bad file descriptor) [pid 410] close(28) = -1 EBADF (Bad file descriptor) [pid 410] close(29) = -1 EBADF (Bad file descriptor) [pid 410] exit_group(0) = ? [pid 410] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./112/binderfs") = 0 [pid 297] umount2("./112/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./112/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./112/cgroup.net") = 0 [pid 297] umount2("./112/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./112/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./112/cgroup.cpu") = 0 [pid 297] umount2("./112/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./112/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./112/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./112") = 0 [pid 297] mkdir("./113", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 115 ./strace-static-x86_64: Process 411 attached [pid 411] set_robust_list(0x555565b1f660, 24) = 0 [pid 411] chdir("./113") = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 411] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 411] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 411] write(1, "executing program\n", 18executing program ) = 18 [pid 411] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 411] close(3) = -1 EBADF (Bad file descriptor) [pid 411] close(4) = -1 EBADF (Bad file descriptor) [pid 411] close(5) = -1 EBADF (Bad file descriptor) [pid 411] close(6) = -1 EBADF (Bad file descriptor) [pid 411] close(7) = -1 EBADF (Bad file descriptor) [pid 411] close(8) = -1 EBADF (Bad file descriptor) [pid 411] close(9) = -1 EBADF (Bad file descriptor) [pid 411] close(10) = -1 EBADF (Bad file descriptor) [pid 411] close(11) = -1 EBADF (Bad file descriptor) [pid 411] close(12) = -1 EBADF (Bad file descriptor) [pid 411] close(13) = -1 EBADF (Bad file descriptor) [pid 411] close(14) = -1 EBADF (Bad file descriptor) [pid 411] close(15) = -1 EBADF (Bad file descriptor) [pid 411] close(16) = -1 EBADF (Bad file descriptor) [pid 411] close(17) = -1 EBADF (Bad file descriptor) [pid 411] close(18) = -1 EBADF (Bad file descriptor) [pid 411] close(19) = -1 EBADF (Bad file descriptor) [pid 411] close(20) = -1 EBADF (Bad file descriptor) [pid 411] close(21) = -1 EBADF (Bad file descriptor) [pid 411] close(22) = -1 EBADF (Bad file descriptor) [pid 411] close(23) = -1 EBADF (Bad file descriptor) [pid 411] close(24) = -1 EBADF (Bad file descriptor) [pid 411] close(25) = -1 EBADF (Bad file descriptor) [pid 411] close(26) = -1 EBADF (Bad file descriptor) [pid 411] close(27) = -1 EBADF (Bad file descriptor) [pid 411] close(28) = -1 EBADF (Bad file descriptor) [pid 411] close(29) = -1 EBADF (Bad file descriptor) [pid 411] exit_group(0) = ? [pid 411] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./113/binderfs") = 0 [pid 297] umount2("./113/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./113/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./113/cgroup.net") = 0 [pid 297] umount2("./113/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./113/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./113/cgroup.cpu") = 0 [pid 297] umount2("./113/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./113/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./113/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./113") = 0 [pid 297] mkdir("./114", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 116 ./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x555565b1f660, 24) = 0 [pid 412] chdir("./114") = 0 [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setpgid(0, 0) = 0 [pid 412] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 412] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 412] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 412] write(3, "1000", 4) = 4 [pid 412] close(3) = 0 [pid 412] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 412] write(1, "executing program\n", 18) = 18 [ 26.491762][ T410] incfs: Error allocating mount info. -12 [ 26.497511][ T410] incfs: mount failed -12 [ 26.518912][ T411] incfs: Error allocating mount info. -12 [ 26.524662][ T411] incfs: mount failed -12 [pid 412] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 412] close(3) = -1 EBADF (Bad file descriptor) [pid 412] close(4) = -1 EBADF (Bad file descriptor) [pid 412] close(5) = -1 EBADF (Bad file descriptor) [pid 412] close(6) = -1 EBADF (Bad file descriptor) [pid 412] close(7) = -1 EBADF (Bad file descriptor) [pid 412] close(8) = -1 EBADF (Bad file descriptor) [pid 412] close(9) = -1 EBADF (Bad file descriptor) [pid 412] close(10) = -1 EBADF (Bad file descriptor) [pid 412] close(11) = -1 EBADF (Bad file descriptor) [pid 412] close(12) = -1 EBADF (Bad file descriptor) [pid 412] close(13) = -1 EBADF (Bad file descriptor) [pid 412] close(14) = -1 EBADF (Bad file descriptor) [pid 412] close(15) = -1 EBADF (Bad file descriptor) [pid 412] close(16) = -1 EBADF (Bad file descriptor) [pid 412] close(17) = -1 EBADF (Bad file descriptor) [pid 412] close(18) = -1 EBADF (Bad file descriptor) [pid 412] close(19) = -1 EBADF (Bad file descriptor) [pid 412] close(20) = -1 EBADF (Bad file descriptor) [pid 412] close(21) = -1 EBADF (Bad file descriptor) [pid 412] close(22) = -1 EBADF (Bad file descriptor) [pid 412] close(23) = -1 EBADF (Bad file descriptor) [pid 412] close(24) = -1 EBADF (Bad file descriptor) [pid 412] close(25) = -1 EBADF (Bad file descriptor) [pid 412] close(26) = -1 EBADF (Bad file descriptor) [pid 412] close(27) = -1 EBADF (Bad file descriptor) [pid 412] close(28) = -1 EBADF (Bad file descriptor) [pid 412] close(29) = -1 EBADF (Bad file descriptor) [pid 412] exit_group(0) = ? [pid 412] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./114/binderfs") = 0 [pid 297] umount2("./114/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./114/cgroup.net") = 0 [pid 297] umount2("./114/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./114/cgroup.cpu") = 0 [pid 297] umount2("./114/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./114/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./114/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./114") = 0 [pid 297] mkdir("./115", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 413 attached , child_tidptr=0x555565b1f650) = 117 [pid 413] set_robust_list(0x555565b1f660, 24) = 0 [pid 413] chdir("./115") = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 413] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 413] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 413] write(1, "executing program\n", 18) = 18 [pid 413] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 413] close(3) = -1 EBADF (Bad file descriptor) [pid 413] close(4) = -1 EBADF (Bad file descriptor) [pid 413] close(5) = -1 EBADF (Bad file descriptor) [pid 413] close(6) = -1 EBADF (Bad file descriptor) [pid 413] close(7) = -1 EBADF (Bad file descriptor) [pid 413] close(8) = -1 EBADF (Bad file descriptor) [pid 413] close(9) = -1 EBADF (Bad file descriptor) [pid 413] close(10) = -1 EBADF (Bad file descriptor) [pid 413] close(11) = -1 EBADF (Bad file descriptor) [pid 413] close(12) = -1 EBADF (Bad file descriptor) [pid 413] close(13) = -1 EBADF (Bad file descriptor) [pid 413] close(14) = -1 EBADF (Bad file descriptor) [pid 413] close(15) = -1 EBADF (Bad file descriptor) [pid 413] close(16) = -1 EBADF (Bad file descriptor) [pid 413] close(17) = -1 EBADF (Bad file descriptor) [pid 413] close(18) = -1 EBADF (Bad file descriptor) [pid 413] close(19) = -1 EBADF (Bad file descriptor) [pid 413] close(20) = -1 EBADF (Bad file descriptor) [pid 413] close(21) = -1 EBADF (Bad file descriptor) [pid 413] close(22) = -1 EBADF (Bad file descriptor) [pid 413] close(23) = -1 EBADF (Bad file descriptor) [pid 413] close(24) = -1 EBADF (Bad file descriptor) [pid 413] close(25) = -1 EBADF (Bad file descriptor) [pid 413] close(26) = -1 EBADF (Bad file descriptor) [pid 413] close(27) = -1 EBADF (Bad file descriptor) [pid 413] close(28) = -1 EBADF (Bad file descriptor) [pid 413] close(29) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 413] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./115/binderfs") = 0 [pid 297] umount2("./115/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./115/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./115/cgroup.net") = 0 [pid 297] umount2("./115/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./115/cgroup.cpu") = 0 [pid 297] umount2("./115/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./115/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./115/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./115") = 0 [pid 297] mkdir("./116", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 414 attached , child_tidptr=0x555565b1f650) = 118 [pid 414] set_robust_list(0x555565b1f660, 24) = 0 [pid 414] chdir("./116") = 0 [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 414] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 414] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 414] write(3, "1000", 4) = 4 [pid 414] close(3) = 0 [pid 414] symlink("/dev/binderfs", "./binderfs") = 0 [pid 414] write(1, "executing program\n", 18executing program [ 26.549260][ T412] incfs: Error allocating mount info. -12 [ 26.555001][ T412] incfs: mount failed -12 [ 26.576375][ T413] incfs: Error allocating mount info. -12 [ 26.582154][ T413] incfs: mount failed -12 ) = 18 [pid 414] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 414] close(3) = -1 EBADF (Bad file descriptor) [pid 414] close(4) = -1 EBADF (Bad file descriptor) [pid 414] close(5) = -1 EBADF (Bad file descriptor) [pid 414] close(6) = -1 EBADF (Bad file descriptor) [pid 414] close(7) = -1 EBADF (Bad file descriptor) [pid 414] close(8) = -1 EBADF (Bad file descriptor) [pid 414] close(9) = -1 EBADF (Bad file descriptor) [pid 414] close(10) = -1 EBADF (Bad file descriptor) [pid 414] close(11) = -1 EBADF (Bad file descriptor) [pid 414] close(12) = -1 EBADF (Bad file descriptor) [pid 414] close(13) = -1 EBADF (Bad file descriptor) [pid 414] close(14) = -1 EBADF (Bad file descriptor) [pid 414] close(15) = -1 EBADF (Bad file descriptor) [pid 414] close(16) = -1 EBADF (Bad file descriptor) [pid 414] close(17) = -1 EBADF (Bad file descriptor) [pid 414] close(18) = -1 EBADF (Bad file descriptor) [pid 414] close(19) = -1 EBADF (Bad file descriptor) [pid 414] close(20) = -1 EBADF (Bad file descriptor) [pid 414] close(21) = -1 EBADF (Bad file descriptor) [pid 414] close(22) = -1 EBADF (Bad file descriptor) [pid 414] close(23) = -1 EBADF (Bad file descriptor) [pid 414] close(24) = -1 EBADF (Bad file descriptor) [pid 414] close(25) = -1 EBADF (Bad file descriptor) [pid 414] close(26) = -1 EBADF (Bad file descriptor) [pid 414] close(27) = -1 EBADF (Bad file descriptor) [pid 414] close(28) = -1 EBADF (Bad file descriptor) [pid 414] close(29) = -1 EBADF (Bad file descriptor) [pid 414] exit_group(0) = ? [pid 414] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./116/binderfs") = 0 [pid 297] umount2("./116/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./116/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./116/cgroup.net") = 0 [pid 297] umount2("./116/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./116/cgroup.cpu") = 0 [pid 297] umount2("./116/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./116/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./116/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./116") = 0 [pid 297] mkdir("./117", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 119 ./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x555565b1f660, 24) = 0 [pid 415] chdir("./117") = 0 [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 415] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 415] write(1, "executing program\n", 18) = 18 [pid 415] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 415] close(3) = -1 EBADF (Bad file descriptor) [pid 415] close(4) = -1 EBADF (Bad file descriptor) [pid 415] close(5) = -1 EBADF (Bad file descriptor) [pid 415] close(6) = -1 EBADF (Bad file descriptor) [pid 415] close(7) = -1 EBADF (Bad file descriptor) [pid 415] close(8) = -1 EBADF (Bad file descriptor) [pid 415] close(9) = -1 EBADF (Bad file descriptor) [pid 415] close(10) = -1 EBADF (Bad file descriptor) [pid 415] close(11) = -1 EBADF (Bad file descriptor) [pid 415] close(12) = -1 EBADF (Bad file descriptor) [pid 415] close(13) = -1 EBADF (Bad file descriptor) [pid 415] close(14) = -1 EBADF (Bad file descriptor) [pid 415] close(15) = -1 EBADF (Bad file descriptor) [pid 415] close(16) = -1 EBADF (Bad file descriptor) [pid 415] close(17) = -1 EBADF (Bad file descriptor) [pid 415] close(18) = -1 EBADF (Bad file descriptor) [pid 415] close(19) = -1 EBADF (Bad file descriptor) [pid 415] close(20) = -1 EBADF (Bad file descriptor) [pid 415] close(21) = -1 EBADF (Bad file descriptor) [pid 415] close(22) = -1 EBADF (Bad file descriptor) [pid 415] close(23) = -1 EBADF (Bad file descriptor) [pid 415] close(24) = -1 EBADF (Bad file descriptor) [pid 415] close(25) = -1 EBADF (Bad file descriptor) [pid 415] close(26) = -1 EBADF (Bad file descriptor) [pid 415] close(27) = -1 EBADF (Bad file descriptor) [pid 415] close(28) = -1 EBADF (Bad file descriptor) [pid 415] close(29) = -1 EBADF (Bad file descriptor) [pid 415] exit_group(0) = ? [pid 415] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./117/binderfs") = 0 [pid 297] umount2("./117/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./117/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./117/cgroup.net") = 0 [pid 297] umount2("./117/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./117/cgroup.cpu") = 0 [pid 297] umount2("./117/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./117/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./117/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./117") = 0 [pid 297] mkdir("./118", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 120 ./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x555565b1f660, 24) = 0 [pid 416] chdir("./118") = 0 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 416] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 416] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 416] write(1, "executing program\n", 18executing program ) = 18 [ 26.602097][ T414] incfs: Error allocating mount info. -12 [ 26.607892][ T414] incfs: mount failed -12 [ 26.627085][ T415] incfs: Error allocating mount info. -12 [ 26.632901][ T415] incfs: mount failed -12 [pid 416] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 416] close(3) = -1 EBADF (Bad file descriptor) [pid 416] close(4) = -1 EBADF (Bad file descriptor) [pid 416] close(5) = -1 EBADF (Bad file descriptor) [pid 416] close(6) = -1 EBADF (Bad file descriptor) [pid 416] close(7) = -1 EBADF (Bad file descriptor) [pid 416] close(8) = -1 EBADF (Bad file descriptor) [pid 416] close(9) = -1 EBADF (Bad file descriptor) [pid 416] close(10) = -1 EBADF (Bad file descriptor) [pid 416] close(11) = -1 EBADF (Bad file descriptor) [pid 416] close(12) = -1 EBADF (Bad file descriptor) [pid 416] close(13) = -1 EBADF (Bad file descriptor) [pid 416] close(14) = -1 EBADF (Bad file descriptor) [pid 416] close(15) = -1 EBADF (Bad file descriptor) [pid 416] close(16) = -1 EBADF (Bad file descriptor) [pid 416] close(17) = -1 EBADF (Bad file descriptor) [pid 416] close(18) = -1 EBADF (Bad file descriptor) [pid 416] close(19) = -1 EBADF (Bad file descriptor) [pid 416] close(20) = -1 EBADF (Bad file descriptor) [pid 416] close(21) = -1 EBADF (Bad file descriptor) [pid 416] close(22) = -1 EBADF (Bad file descriptor) [pid 416] close(23) = -1 EBADF (Bad file descriptor) [pid 416] close(24) = -1 EBADF (Bad file descriptor) [pid 416] close(25) = -1 EBADF (Bad file descriptor) [pid 416] close(26) = -1 EBADF (Bad file descriptor) [pid 416] close(27) = -1 EBADF (Bad file descriptor) [pid 416] close(28) = -1 EBADF (Bad file descriptor) [pid 416] close(29) = -1 EBADF (Bad file descriptor) [pid 416] exit_group(0) = ? [pid 416] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./118/binderfs") = 0 [pid 297] umount2("./118/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./118/cgroup.net") = 0 [pid 297] umount2("./118/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./118/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./118/cgroup.cpu") = 0 [pid 297] umount2("./118/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./118/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./118") = 0 [pid 297] mkdir("./119", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 417 attached , child_tidptr=0x555565b1f650) = 121 [pid 417] set_robust_list(0x555565b1f660, 24) = 0 [pid 417] chdir("./119") = 0 [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 417] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 417] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 executing program [pid 417] symlink("/dev/binderfs", "./binderfs") = 0 [pid 417] write(1, "executing program\n", 18) = 18 [pid 417] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 417] close(3) = -1 EBADF (Bad file descriptor) [pid 417] close(4) = -1 EBADF (Bad file descriptor) [pid 417] close(5) = -1 EBADF (Bad file descriptor) [pid 417] close(6) = -1 EBADF (Bad file descriptor) [pid 417] close(7) = -1 EBADF (Bad file descriptor) [pid 417] close(8) = -1 EBADF (Bad file descriptor) [pid 417] close(9) = -1 EBADF (Bad file descriptor) [pid 417] close(10) = -1 EBADF (Bad file descriptor) [pid 417] close(11) = -1 EBADF (Bad file descriptor) [pid 417] close(12) = -1 EBADF (Bad file descriptor) [pid 417] close(13) = -1 EBADF (Bad file descriptor) [pid 417] close(14) = -1 EBADF (Bad file descriptor) [pid 417] close(15) = -1 EBADF (Bad file descriptor) [pid 417] close(16) = -1 EBADF (Bad file descriptor) [pid 417] close(17) = -1 EBADF (Bad file descriptor) [pid 417] close(18) = -1 EBADF (Bad file descriptor) [pid 417] close(19) = -1 EBADF (Bad file descriptor) [pid 417] close(20) = -1 EBADF (Bad file descriptor) [pid 417] close(21) = -1 EBADF (Bad file descriptor) [pid 417] close(22) = -1 EBADF (Bad file descriptor) [pid 417] close(23) = -1 EBADF (Bad file descriptor) [pid 417] close(24) = -1 EBADF (Bad file descriptor) [pid 417] close(25) = -1 EBADF (Bad file descriptor) [pid 417] close(26) = -1 EBADF (Bad file descriptor) [pid 417] close(27) = -1 EBADF (Bad file descriptor) [pid 417] close(28) = -1 EBADF (Bad file descriptor) [pid 417] close(29) = -1 EBADF (Bad file descriptor) [pid 417] exit_group(0) = ? [pid 417] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./119/binderfs") = 0 [pid 297] umount2("./119/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./119/cgroup.net") = 0 [pid 297] umount2("./119/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./119/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./119/cgroup.cpu") = 0 [pid 297] umount2("./119/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./119/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./119/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./119") = 0 [pid 297] mkdir("./120", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 122 ./strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x555565b1f660, 24) = 0 [pid 418] chdir("./120") = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 418] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 418] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 418] write(1, "executing program\n", 18executing program ) = 18 [ 26.651768][ T416] incfs: Error allocating mount info. -12 [ 26.657554][ T416] incfs: mount failed -12 [ 26.680967][ T417] incfs: Error allocating mount info. -12 [ 26.686735][ T417] incfs: mount failed -12 [pid 418] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 418] close(3) = -1 EBADF (Bad file descriptor) [pid 418] close(4) = -1 EBADF (Bad file descriptor) [pid 418] close(5) = -1 EBADF (Bad file descriptor) [pid 418] close(6) = -1 EBADF (Bad file descriptor) [pid 418] close(7) = -1 EBADF (Bad file descriptor) [pid 418] close(8) = -1 EBADF (Bad file descriptor) [pid 418] close(9) = -1 EBADF (Bad file descriptor) [pid 418] close(10) = -1 EBADF (Bad file descriptor) [pid 418] close(11) = -1 EBADF (Bad file descriptor) [pid 418] close(12) = -1 EBADF (Bad file descriptor) [pid 418] close(13) = -1 EBADF (Bad file descriptor) [pid 418] close(14) = -1 EBADF (Bad file descriptor) [pid 418] close(15) = -1 EBADF (Bad file descriptor) [pid 418] close(16) = -1 EBADF (Bad file descriptor) [pid 418] close(17) = -1 EBADF (Bad file descriptor) [pid 418] close(18) = -1 EBADF (Bad file descriptor) [pid 418] close(19) = -1 EBADF (Bad file descriptor) [pid 418] close(20) = -1 EBADF (Bad file descriptor) [pid 418] close(21) = -1 EBADF (Bad file descriptor) [pid 418] close(22) = -1 EBADF (Bad file descriptor) [pid 418] close(23) = -1 EBADF (Bad file descriptor) [pid 418] close(24) = -1 EBADF (Bad file descriptor) [pid 418] close(25) = -1 EBADF (Bad file descriptor) [pid 418] close(26) = -1 EBADF (Bad file descriptor) [pid 418] close(27) = -1 EBADF (Bad file descriptor) [pid 418] close(28) = -1 EBADF (Bad file descriptor) [pid 418] close(29) = -1 EBADF (Bad file descriptor) [pid 418] exit_group(0) = ? [pid 418] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./120/binderfs") = 0 [pid 297] umount2("./120/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./120/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./120/cgroup.net") = 0 [pid 297] umount2("./120/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./120/cgroup.cpu") = 0 [pid 297] umount2("./120/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./120/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./120") = 0 [pid 297] mkdir("./121", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 123 ./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x555565b1f660, 24) = 0 [pid 419] chdir("./121") = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 419] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 419] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 419] write(1, "executing program\n", 18) = 18 [pid 419] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 419] close(3) = -1 EBADF (Bad file descriptor) [pid 419] close(4) = -1 EBADF (Bad file descriptor) [pid 419] close(5) = -1 EBADF (Bad file descriptor) [pid 419] close(6) = -1 EBADF (Bad file descriptor) [pid 419] close(7) = -1 EBADF (Bad file descriptor) [pid 419] close(8) = -1 EBADF (Bad file descriptor) [pid 419] close(9) = -1 EBADF (Bad file descriptor) [pid 419] close(10) = -1 EBADF (Bad file descriptor) [pid 419] close(11) = -1 EBADF (Bad file descriptor) [pid 419] close(12) = -1 EBADF (Bad file descriptor) [pid 419] close(13) = -1 EBADF (Bad file descriptor) [pid 419] close(14) = -1 EBADF (Bad file descriptor) [pid 419] close(15) = -1 EBADF (Bad file descriptor) [pid 419] close(16) = -1 EBADF (Bad file descriptor) [pid 419] close(17) = -1 EBADF (Bad file descriptor) [pid 419] close(18) = -1 EBADF (Bad file descriptor) [pid 419] close(19) = -1 EBADF (Bad file descriptor) [pid 419] close(20) = -1 EBADF (Bad file descriptor) [pid 419] close(21) = -1 EBADF (Bad file descriptor) [pid 419] close(22) = -1 EBADF (Bad file descriptor) [pid 419] close(23) = -1 EBADF (Bad file descriptor) [pid 419] close(24) = -1 EBADF (Bad file descriptor) [pid 419] close(25) = -1 EBADF (Bad file descriptor) [pid 419] close(26) = -1 EBADF (Bad file descriptor) [pid 419] close(27) = -1 EBADF (Bad file descriptor) [pid 419] close(28) = -1 EBADF (Bad file descriptor) [pid 419] close(29) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0) = ? [pid 419] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./121/binderfs") = 0 [pid 297] umount2("./121/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./121/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./121/cgroup.net") = 0 [pid 297] umount2("./121/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./121/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./121/cgroup.cpu") = 0 [pid 297] umount2("./121/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./121/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./121") = 0 [pid 297] mkdir("./122", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 420 attached , child_tidptr=0x555565b1f650) = 124 [pid 420] set_robust_list(0x555565b1f660, 24) = 0 [pid 420] chdir("./122") = 0 [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 420] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 420] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 [pid 420] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 420] write(1, "executing program\n", 18) = 18 [ 26.709805][ T418] incfs: Error allocating mount info. -12 [ 26.715544][ T418] incfs: mount failed -12 [ 26.739261][ T419] incfs: Error allocating mount info. -12 [ 26.744996][ T419] incfs: mount failed -12 [pid 420] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 420] close(3) = -1 EBADF (Bad file descriptor) [pid 420] close(4) = -1 EBADF (Bad file descriptor) [pid 420] close(5) = -1 EBADF (Bad file descriptor) [pid 420] close(6) = -1 EBADF (Bad file descriptor) [pid 420] close(7) = -1 EBADF (Bad file descriptor) [pid 420] close(8) = -1 EBADF (Bad file descriptor) [pid 420] close(9) = -1 EBADF (Bad file descriptor) [pid 420] close(10) = -1 EBADF (Bad file descriptor) [pid 420] close(11) = -1 EBADF (Bad file descriptor) [pid 420] close(12) = -1 EBADF (Bad file descriptor) [pid 420] close(13) = -1 EBADF (Bad file descriptor) [pid 420] close(14) = -1 EBADF (Bad file descriptor) [pid 420] close(15) = -1 EBADF (Bad file descriptor) [pid 420] close(16) = -1 EBADF (Bad file descriptor) [pid 420] close(17) = -1 EBADF (Bad file descriptor) [pid 420] close(18) = -1 EBADF (Bad file descriptor) [pid 420] close(19) = -1 EBADF (Bad file descriptor) [pid 420] close(20) = -1 EBADF (Bad file descriptor) [pid 420] close(21) = -1 EBADF (Bad file descriptor) [pid 420] close(22) = -1 EBADF (Bad file descriptor) [pid 420] close(23) = -1 EBADF (Bad file descriptor) [pid 420] close(24) = -1 EBADF (Bad file descriptor) [pid 420] close(25) = -1 EBADF (Bad file descriptor) [pid 420] close(26) = -1 EBADF (Bad file descriptor) [pid 420] close(27) = -1 EBADF (Bad file descriptor) [pid 420] close(28) = -1 EBADF (Bad file descriptor) [pid 420] close(29) = -1 EBADF (Bad file descriptor) [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./122/binderfs") = 0 [pid 297] umount2("./122/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./122/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./122/cgroup.net") = 0 [pid 297] umount2("./122/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./122/cgroup.cpu") = 0 [pid 297] umount2("./122/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./122/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./122") = 0 [pid 297] mkdir("./123", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 421 attached , child_tidptr=0x555565b1f650) = 125 [pid 421] set_robust_list(0x555565b1f660, 24) = 0 [pid 421] chdir("./123") = 0 [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 421] setpgid(0, 0) = 0 [pid 421] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 421] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 421] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] write(3, "1000", 4) = 4 [pid 421] close(3) = 0 [pid 421] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 421] write(1, "executing program\n", 18) = 18 [pid 421] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 421] close(3) = -1 EBADF (Bad file descriptor) [pid 421] close(4) = -1 EBADF (Bad file descriptor) [pid 421] close(5) = -1 EBADF (Bad file descriptor) [pid 421] close(6) = -1 EBADF (Bad file descriptor) [pid 421] close(7) = -1 EBADF (Bad file descriptor) [pid 421] close(8) = -1 EBADF (Bad file descriptor) [pid 421] close(9) = -1 EBADF (Bad file descriptor) [pid 421] close(10) = -1 EBADF (Bad file descriptor) [pid 421] close(11) = -1 EBADF (Bad file descriptor) [pid 421] close(12) = -1 EBADF (Bad file descriptor) [pid 421] close(13) = -1 EBADF (Bad file descriptor) [pid 421] close(14) = -1 EBADF (Bad file descriptor) [pid 421] close(15) = -1 EBADF (Bad file descriptor) [pid 421] close(16) = -1 EBADF (Bad file descriptor) [pid 421] close(17) = -1 EBADF (Bad file descriptor) [pid 421] close(18) = -1 EBADF (Bad file descriptor) [pid 421] close(19) = -1 EBADF (Bad file descriptor) [pid 421] close(20) = -1 EBADF (Bad file descriptor) [pid 421] close(21) = -1 EBADF (Bad file descriptor) [pid 421] close(22) = -1 EBADF (Bad file descriptor) [pid 421] close(23) = -1 EBADF (Bad file descriptor) [pid 421] close(24) = -1 EBADF (Bad file descriptor) [pid 421] close(25) = -1 EBADF (Bad file descriptor) [pid 421] close(26) = -1 EBADF (Bad file descriptor) [pid 421] close(27) = -1 EBADF (Bad file descriptor) [pid 421] close(28) = -1 EBADF (Bad file descriptor) [pid 421] close(29) = -1 EBADF (Bad file descriptor) [pid 421] exit_group(0) = ? [pid 421] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./123/binderfs") = 0 [pid 297] umount2("./123/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./123/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./123/cgroup.net") = 0 [pid 297] umount2("./123/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./123/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./123/cgroup.cpu") = 0 [pid 297] umount2("./123/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./123/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./123/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./123") = 0 [pid 297] mkdir("./124", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 422 attached , child_tidptr=0x555565b1f650) = 126 [pid 422] set_robust_list(0x555565b1f660, 24) = 0 [pid 422] chdir("./124") = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 422] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 422] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 422] write(1, "executing program\n", 18) = 18 [ 26.767096][ T420] incfs: Error allocating mount info. -12 [ 26.772890][ T420] incfs: mount failed -12 [ 26.791129][ T421] incfs: Error allocating mount info. -12 [ 26.796869][ T421] incfs: mount failed -12 [pid 422] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 422] close(3) = -1 EBADF (Bad file descriptor) [pid 422] close(4) = -1 EBADF (Bad file descriptor) [pid 422] close(5) = -1 EBADF (Bad file descriptor) [pid 422] close(6) = -1 EBADF (Bad file descriptor) [pid 422] close(7) = -1 EBADF (Bad file descriptor) [pid 422] close(8) = -1 EBADF (Bad file descriptor) [pid 422] close(9) = -1 EBADF (Bad file descriptor) [pid 422] close(10) = -1 EBADF (Bad file descriptor) [pid 422] close(11) = -1 EBADF (Bad file descriptor) [pid 422] close(12) = -1 EBADF (Bad file descriptor) [pid 422] close(13) = -1 EBADF (Bad file descriptor) [pid 422] close(14) = -1 EBADF (Bad file descriptor) [pid 422] close(15) = -1 EBADF (Bad file descriptor) [pid 422] close(16) = -1 EBADF (Bad file descriptor) [pid 422] close(17) = -1 EBADF (Bad file descriptor) [pid 422] close(18) = -1 EBADF (Bad file descriptor) [pid 422] close(19) = -1 EBADF (Bad file descriptor) [pid 422] close(20) = -1 EBADF (Bad file descriptor) [pid 422] close(21) = -1 EBADF (Bad file descriptor) [pid 422] close(22) = -1 EBADF (Bad file descriptor) [pid 422] close(23) = -1 EBADF (Bad file descriptor) [pid 422] close(24) = -1 EBADF (Bad file descriptor) [pid 422] close(25) = -1 EBADF (Bad file descriptor) [pid 422] close(26) = -1 EBADF (Bad file descriptor) [pid 422] close(27) = -1 EBADF (Bad file descriptor) [pid 422] close(28) = -1 EBADF (Bad file descriptor) [pid 422] close(29) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./124/binderfs") = 0 [pid 297] umount2("./124/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./124/cgroup.net") = 0 [pid 297] umount2("./124/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./124/cgroup.cpu") = 0 [pid 297] umount2("./124/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./124/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./124") = 0 [pid 297] mkdir("./125", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 127 ./strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x555565b1f660, 24) = 0 [pid 423] chdir("./125") = 0 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 423] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 423] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 423] write(1, "executing program\n", 18executing program ) = 18 [pid 423] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 423] close(3) = -1 EBADF (Bad file descriptor) [pid 423] close(4) = -1 EBADF (Bad file descriptor) [pid 423] close(5) = -1 EBADF (Bad file descriptor) [pid 423] close(6) = -1 EBADF (Bad file descriptor) [pid 423] close(7) = -1 EBADF (Bad file descriptor) [pid 423] close(8) = -1 EBADF (Bad file descriptor) [pid 423] close(9) = -1 EBADF (Bad file descriptor) [pid 423] close(10) = -1 EBADF (Bad file descriptor) [pid 423] close(11) = -1 EBADF (Bad file descriptor) [pid 423] close(12) = -1 EBADF (Bad file descriptor) [pid 423] close(13) = -1 EBADF (Bad file descriptor) [pid 423] close(14) = -1 EBADF (Bad file descriptor) [pid 423] close(15) = -1 EBADF (Bad file descriptor) [pid 423] close(16) = -1 EBADF (Bad file descriptor) [pid 423] close(17) = -1 EBADF (Bad file descriptor) [pid 423] close(18) = -1 EBADF (Bad file descriptor) [pid 423] close(19) = -1 EBADF (Bad file descriptor) [pid 423] close(20) = -1 EBADF (Bad file descriptor) [pid 423] close(21) = -1 EBADF (Bad file descriptor) [pid 423] close(22) = -1 EBADF (Bad file descriptor) [pid 423] close(23) = -1 EBADF (Bad file descriptor) [pid 423] close(24) = -1 EBADF (Bad file descriptor) [pid 423] close(25) = -1 EBADF (Bad file descriptor) [pid 423] close(26) = -1 EBADF (Bad file descriptor) [pid 423] close(27) = -1 EBADF (Bad file descriptor) [pid 423] close(28) = -1 EBADF (Bad file descriptor) [pid 423] close(29) = -1 EBADF (Bad file descriptor) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./125/binderfs") = 0 [pid 297] umount2("./125/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./125/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./125/cgroup.net") = 0 [pid 297] umount2("./125/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./125/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./125/cgroup.cpu") = 0 [pid 297] umount2("./125/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./125/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./125/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./125") = 0 [pid 297] mkdir("./126", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 424 attached , child_tidptr=0x555565b1f650) = 128 [pid 424] set_robust_list(0x555565b1f660, 24) = 0 [pid 424] chdir("./126") = 0 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 424] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 424] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 executing program [pid 424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 424] write(1, "executing program\n", 18) = 18 [ 26.815345][ T422] incfs: Error allocating mount info. -12 [ 26.821200][ T422] incfs: mount failed -12 [ 26.844598][ T423] incfs: Error allocating mount info. -12 [ 26.850370][ T423] incfs: mount failed -12 [pid 424] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 424] close(3) = -1 EBADF (Bad file descriptor) [pid 424] close(4) = -1 EBADF (Bad file descriptor) [pid 424] close(5) = -1 EBADF (Bad file descriptor) [pid 424] close(6) = -1 EBADF (Bad file descriptor) [pid 424] close(7) = -1 EBADF (Bad file descriptor) [pid 424] close(8) = -1 EBADF (Bad file descriptor) [pid 424] close(9) = -1 EBADF (Bad file descriptor) [pid 424] close(10) = -1 EBADF (Bad file descriptor) [pid 424] close(11) = -1 EBADF (Bad file descriptor) [pid 424] close(12) = -1 EBADF (Bad file descriptor) [pid 424] close(13) = -1 EBADF (Bad file descriptor) [pid 424] close(14) = -1 EBADF (Bad file descriptor) [pid 424] close(15) = -1 EBADF (Bad file descriptor) [pid 424] close(16) = -1 EBADF (Bad file descriptor) [pid 424] close(17) = -1 EBADF (Bad file descriptor) [pid 424] close(18) = -1 EBADF (Bad file descriptor) [pid 424] close(19) = -1 EBADF (Bad file descriptor) [pid 424] close(20) = -1 EBADF (Bad file descriptor) [pid 424] close(21) = -1 EBADF (Bad file descriptor) [pid 424] close(22) = -1 EBADF (Bad file descriptor) [pid 424] close(23) = -1 EBADF (Bad file descriptor) [pid 424] close(24) = -1 EBADF (Bad file descriptor) [pid 424] close(25) = -1 EBADF (Bad file descriptor) [pid 424] close(26) = -1 EBADF (Bad file descriptor) [pid 424] close(27) = -1 EBADF (Bad file descriptor) [pid 424] close(28) = -1 EBADF (Bad file descriptor) [pid 424] close(29) = -1 EBADF (Bad file descriptor) [pid 424] exit_group(0) = ? [pid 424] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./126/binderfs") = 0 [pid 297] umount2("./126/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./126/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./126/cgroup.net") = 0 [pid 297] umount2("./126/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./126/cgroup.cpu") = 0 [pid 297] umount2("./126/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./126/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./126/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./126") = 0 [pid 297] mkdir("./127", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 129 ./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x555565b1f660, 24) = 0 [pid 425] chdir("./127") = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 425] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 425] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 425] write(1, "executing program\n", 18) = 18 [pid 425] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 425] close(3) = -1 EBADF (Bad file descriptor) [pid 425] close(4) = -1 EBADF (Bad file descriptor) [pid 425] close(5) = -1 EBADF (Bad file descriptor) [pid 425] close(6) = -1 EBADF (Bad file descriptor) [pid 425] close(7) = -1 EBADF (Bad file descriptor) [pid 425] close(8) = -1 EBADF (Bad file descriptor) [pid 425] close(9) = -1 EBADF (Bad file descriptor) [pid 425] close(10) = -1 EBADF (Bad file descriptor) [pid 425] close(11) = -1 EBADF (Bad file descriptor) [pid 425] close(12) = -1 EBADF (Bad file descriptor) [pid 425] close(13) = -1 EBADF (Bad file descriptor) [pid 425] close(14) = -1 EBADF (Bad file descriptor) [pid 425] close(15) = -1 EBADF (Bad file descriptor) [pid 425] close(16) = -1 EBADF (Bad file descriptor) [pid 425] close(17) = -1 EBADF (Bad file descriptor) [pid 425] close(18) = -1 EBADF (Bad file descriptor) [pid 425] close(19) = -1 EBADF (Bad file descriptor) [pid 425] close(20) = -1 EBADF (Bad file descriptor) [pid 425] close(21) = -1 EBADF (Bad file descriptor) [pid 425] close(22) = -1 EBADF (Bad file descriptor) [pid 425] close(23) = -1 EBADF (Bad file descriptor) [pid 425] close(24) = -1 EBADF (Bad file descriptor) [pid 425] close(25) = -1 EBADF (Bad file descriptor) [pid 425] close(26) = -1 EBADF (Bad file descriptor) [pid 425] close(27) = -1 EBADF (Bad file descriptor) [pid 425] close(28) = -1 EBADF (Bad file descriptor) [pid 425] close(29) = -1 EBADF (Bad file descriptor) [pid 425] exit_group(0) = ? [pid 425] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./127/binderfs") = 0 [pid 297] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./127/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./127/cgroup.net") = 0 [pid 297] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./127/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./127/cgroup.cpu") = 0 [pid 297] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./127/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./127/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./127") = 0 [pid 297] mkdir("./128", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 130 ./strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x555565b1f660, 24) = 0 [pid 426] chdir("./128") = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 426] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 426] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 426] write(1, "executing program\n", 18executing program ) = 18 [ 26.867261][ T424] incfs: Error allocating mount info. -12 [ 26.873047][ T424] incfs: mount failed -12 [ 26.892225][ T425] incfs: Error allocating mount info. -12 [ 26.897955][ T425] incfs: mount failed -12 [pid 426] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 426] close(3) = -1 EBADF (Bad file descriptor) [pid 426] close(4) = -1 EBADF (Bad file descriptor) [pid 426] close(5) = -1 EBADF (Bad file descriptor) [pid 426] close(6) = -1 EBADF (Bad file descriptor) [pid 426] close(7) = -1 EBADF (Bad file descriptor) [pid 426] close(8) = -1 EBADF (Bad file descriptor) [pid 426] close(9) = -1 EBADF (Bad file descriptor) [pid 426] close(10) = -1 EBADF (Bad file descriptor) [pid 426] close(11) = -1 EBADF (Bad file descriptor) [pid 426] close(12) = -1 EBADF (Bad file descriptor) [pid 426] close(13) = -1 EBADF (Bad file descriptor) [pid 426] close(14) = -1 EBADF (Bad file descriptor) [pid 426] close(15) = -1 EBADF (Bad file descriptor) [pid 426] close(16) = -1 EBADF (Bad file descriptor) [pid 426] close(17) = -1 EBADF (Bad file descriptor) [pid 426] close(18) = -1 EBADF (Bad file descriptor) [pid 426] close(19) = -1 EBADF (Bad file descriptor) [pid 426] close(20) = -1 EBADF (Bad file descriptor) [pid 426] close(21) = -1 EBADF (Bad file descriptor) [pid 426] close(22) = -1 EBADF (Bad file descriptor) [pid 426] close(23) = -1 EBADF (Bad file descriptor) [pid 426] close(24) = -1 EBADF (Bad file descriptor) [pid 426] close(25) = -1 EBADF (Bad file descriptor) [pid 426] close(26) = -1 EBADF (Bad file descriptor) [pid 426] close(27) = -1 EBADF (Bad file descriptor) [pid 426] close(28) = -1 EBADF (Bad file descriptor) [pid 426] close(29) = -1 EBADF (Bad file descriptor) [pid 426] exit_group(0) = ? [pid 426] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./128/binderfs") = 0 [pid 297] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./128/cgroup.net") = 0 [pid 297] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./128/cgroup.cpu") = 0 [pid 297] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./128/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./128") = 0 [pid 297] mkdir("./129", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 427 attached , child_tidptr=0x555565b1f650) = 131 [pid 427] set_robust_list(0x555565b1f660, 24) = 0 [pid 427] chdir("./129") = 0 [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 427] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 427] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 427] write(1, "executing program\n", 18) = 18 [pid 427] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 427] close(3) = -1 EBADF (Bad file descriptor) [pid 427] close(4) = -1 EBADF (Bad file descriptor) [pid 427] close(5) = -1 EBADF (Bad file descriptor) [pid 427] close(6) = -1 EBADF (Bad file descriptor) [pid 427] close(7) = -1 EBADF (Bad file descriptor) [pid 427] close(8) = -1 EBADF (Bad file descriptor) [pid 427] close(9) = -1 EBADF (Bad file descriptor) [pid 427] close(10) = -1 EBADF (Bad file descriptor) [pid 427] close(11) = -1 EBADF (Bad file descriptor) [pid 427] close(12) = -1 EBADF (Bad file descriptor) [pid 427] close(13) = -1 EBADF (Bad file descriptor) [pid 427] close(14) = -1 EBADF (Bad file descriptor) [pid 427] close(15) = -1 EBADF (Bad file descriptor) [pid 427] close(16) = -1 EBADF (Bad file descriptor) [pid 427] close(17) = -1 EBADF (Bad file descriptor) [pid 427] close(18) = -1 EBADF (Bad file descriptor) [pid 427] close(19) = -1 EBADF (Bad file descriptor) [pid 427] close(20) = -1 EBADF (Bad file descriptor) [pid 427] close(21) = -1 EBADF (Bad file descriptor) [pid 427] close(22) = -1 EBADF (Bad file descriptor) [pid 427] close(23) = -1 EBADF (Bad file descriptor) [pid 427] close(24) = -1 EBADF (Bad file descriptor) [pid 427] close(25) = -1 EBADF (Bad file descriptor) [pid 427] close(26) = -1 EBADF (Bad file descriptor) [pid 427] close(27) = -1 EBADF (Bad file descriptor) [pid 427] close(28) = -1 EBADF (Bad file descriptor) [pid 427] close(29) = -1 EBADF (Bad file descriptor) [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./129/binderfs") = 0 [pid 297] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./129/cgroup.net") = 0 [pid 297] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./129/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./129/cgroup.cpu") = 0 [pid 297] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./129/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./129/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./129") = 0 [pid 297] mkdir("./130", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 428 attached , child_tidptr=0x555565b1f650) = 132 [pid 428] set_robust_list(0x555565b1f660, 24) = 0 [pid 428] chdir("./130") = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 428] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 428] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 428] write(1, "executing program\n", 18executing program ) = 18 [ 26.919977][ T426] incfs: Error allocating mount info. -12 [ 26.925761][ T426] incfs: mount failed -12 [ 26.947478][ T427] incfs: Error allocating mount info. -12 [ 26.953257][ T427] incfs: mount failed -12 [pid 428] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 428] close(3) = -1 EBADF (Bad file descriptor) [pid 428] close(4) = -1 EBADF (Bad file descriptor) [pid 428] close(5) = -1 EBADF (Bad file descriptor) [pid 428] close(6) = -1 EBADF (Bad file descriptor) [pid 428] close(7) = -1 EBADF (Bad file descriptor) [pid 428] close(8) = -1 EBADF (Bad file descriptor) [pid 428] close(9) = -1 EBADF (Bad file descriptor) [pid 428] close(10) = -1 EBADF (Bad file descriptor) [pid 428] close(11) = -1 EBADF (Bad file descriptor) [pid 428] close(12) = -1 EBADF (Bad file descriptor) [pid 428] close(13) = -1 EBADF (Bad file descriptor) [pid 428] close(14) = -1 EBADF (Bad file descriptor) [pid 428] close(15) = -1 EBADF (Bad file descriptor) [pid 428] close(16) = -1 EBADF (Bad file descriptor) [pid 428] close(17) = -1 EBADF (Bad file descriptor) [pid 428] close(18) = -1 EBADF (Bad file descriptor) [pid 428] close(19) = -1 EBADF (Bad file descriptor) [pid 428] close(20) = -1 EBADF (Bad file descriptor) [pid 428] close(21) = -1 EBADF (Bad file descriptor) [pid 428] close(22) = -1 EBADF (Bad file descriptor) [pid 428] close(23) = -1 EBADF (Bad file descriptor) [pid 428] close(24) = -1 EBADF (Bad file descriptor) [pid 428] close(25) = -1 EBADF (Bad file descriptor) [pid 428] close(26) = -1 EBADF (Bad file descriptor) [pid 428] close(27) = -1 EBADF (Bad file descriptor) [pid 428] close(28) = -1 EBADF (Bad file descriptor) [pid 428] close(29) = -1 EBADF (Bad file descriptor) [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./130/binderfs") = 0 [pid 297] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./130/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./130/cgroup.net") = 0 [pid 297] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./130/cgroup.cpu") = 0 [pid 297] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./130/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./130/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./130") = 0 [pid 297] mkdir("./131", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 133 ./strace-static-x86_64: Process 429 attached [pid 429] set_robust_list(0x555565b1f660, 24) = 0 [pid 429] chdir("./131") = 0 [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 429] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 429] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 executing program [pid 429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 429] write(1, "executing program\n", 18) = 18 [pid 429] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 429] close(3) = -1 EBADF (Bad file descriptor) [pid 429] close(4) = -1 EBADF (Bad file descriptor) [pid 429] close(5) = -1 EBADF (Bad file descriptor) [pid 429] close(6) = -1 EBADF (Bad file descriptor) [pid 429] close(7) = -1 EBADF (Bad file descriptor) [pid 429] close(8) = -1 EBADF (Bad file descriptor) [pid 429] close(9) = -1 EBADF (Bad file descriptor) [pid 429] close(10) = -1 EBADF (Bad file descriptor) [pid 429] close(11) = -1 EBADF (Bad file descriptor) [pid 429] close(12) = -1 EBADF (Bad file descriptor) [pid 429] close(13) = -1 EBADF (Bad file descriptor) [pid 429] close(14) = -1 EBADF (Bad file descriptor) [pid 429] close(15) = -1 EBADF (Bad file descriptor) [pid 429] close(16) = -1 EBADF (Bad file descriptor) [pid 429] close(17) = -1 EBADF (Bad file descriptor) [pid 429] close(18) = -1 EBADF (Bad file descriptor) [pid 429] close(19) = -1 EBADF (Bad file descriptor) [pid 429] close(20) = -1 EBADF (Bad file descriptor) [pid 429] close(21) = -1 EBADF (Bad file descriptor) [pid 429] close(22) = -1 EBADF (Bad file descriptor) [pid 429] close(23) = -1 EBADF (Bad file descriptor) [pid 429] close(24) = -1 EBADF (Bad file descriptor) [pid 429] close(25) = -1 EBADF (Bad file descriptor) [pid 429] close(26) = -1 EBADF (Bad file descriptor) [pid 429] close(27) = -1 EBADF (Bad file descriptor) [pid 429] close(28) = -1 EBADF (Bad file descriptor) [pid 429] close(29) = -1 EBADF (Bad file descriptor) [pid 429] exit_group(0) = ? [pid 429] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./131/binderfs") = 0 [pid 297] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./131/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./131/cgroup.net") = 0 [pid 297] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./131/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./131/cgroup.cpu") = 0 [pid 297] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./131/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./131/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./131") = 0 [pid 297] mkdir("./132", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 134 ./strace-static-x86_64: Process 430 attached [pid 430] set_robust_list(0x555565b1f660, 24) = 0 [pid 430] chdir("./132") = 0 [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 430] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 430] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 26.975382][ T428] incfs: Error allocating mount info. -12 [ 26.981156][ T428] incfs: mount failed -12 [ 27.002938][ T429] incfs: Error allocating mount info. -12 [ 27.008771][ T429] incfs: mount failed -12 [pid 430] write(1, "executing program\n", 18) = 18 [pid 430] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 430] close(3) = -1 EBADF (Bad file descriptor) [pid 430] close(4) = -1 EBADF (Bad file descriptor) [pid 430] close(5) = -1 EBADF (Bad file descriptor) [pid 430] close(6) = -1 EBADF (Bad file descriptor) [pid 430] close(7) = -1 EBADF (Bad file descriptor) [pid 430] close(8) = -1 EBADF (Bad file descriptor) [pid 430] close(9) = -1 EBADF (Bad file descriptor) [pid 430] close(10) = -1 EBADF (Bad file descriptor) [pid 430] close(11) = -1 EBADF (Bad file descriptor) [pid 430] close(12) = -1 EBADF (Bad file descriptor) [pid 430] close(13) = -1 EBADF (Bad file descriptor) [pid 430] close(14) = -1 EBADF (Bad file descriptor) [pid 430] close(15) = -1 EBADF (Bad file descriptor) [pid 430] close(16) = -1 EBADF (Bad file descriptor) [pid 430] close(17) = -1 EBADF (Bad file descriptor) [pid 430] close(18) = -1 EBADF (Bad file descriptor) [pid 430] close(19) = -1 EBADF (Bad file descriptor) [pid 430] close(20) = -1 EBADF (Bad file descriptor) [pid 430] close(21) = -1 EBADF (Bad file descriptor) [pid 430] close(22) = -1 EBADF (Bad file descriptor) [pid 430] close(23) = -1 EBADF (Bad file descriptor) [pid 430] close(24) = -1 EBADF (Bad file descriptor) [pid 430] close(25) = -1 EBADF (Bad file descriptor) [pid 430] close(26) = -1 EBADF (Bad file descriptor) [pid 430] close(27) = -1 EBADF (Bad file descriptor) [pid 430] close(28) = -1 EBADF (Bad file descriptor) [pid 430] close(29) = -1 EBADF (Bad file descriptor) [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./132/binderfs") = 0 [pid 297] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./132/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./132/cgroup.net") = 0 [pid 297] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./132/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./132/cgroup.cpu") = 0 [pid 297] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./132/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./132/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./132") = 0 [pid 297] mkdir("./133", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 431 attached , child_tidptr=0x555565b1f650) = 135 [pid 431] set_robust_list(0x555565b1f660, 24) = 0 [pid 431] chdir("./133") = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 431] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 431] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 431] write(1, "executing program\n", 18) = 18 [pid 431] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 431] close(3) = -1 EBADF (Bad file descriptor) [pid 431] close(4) = -1 EBADF (Bad file descriptor) [pid 431] close(5) = -1 EBADF (Bad file descriptor) [pid 431] close(6) = -1 EBADF (Bad file descriptor) [pid 431] close(7) = -1 EBADF (Bad file descriptor) [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 431] close(15) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 431] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./133/binderfs") = 0 [pid 297] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./133/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./133/cgroup.net") = 0 [pid 297] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./133/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./133/cgroup.cpu") = 0 [pid 297] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./133/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./133/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./133") = 0 [pid 297] mkdir("./134", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 432 attached , child_tidptr=0x555565b1f650) = 136 [pid 432] set_robust_list(0x555565b1f660, 24) = 0 [pid 432] chdir("./134") = 0 [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 432] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 432] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] symlink("/dev/binderfs", "./binderfs") = 0 [ 27.028518][ T430] incfs: Error allocating mount info. -12 [ 27.034282][ T430] incfs: mount failed -12 [ 27.052298][ T431] incfs: Error allocating mount info. -12 [ 27.058075][ T431] incfs: mount failed -12 executing program [pid 432] write(1, "executing program\n", 18) = 18 [pid 432] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 432] close(3) = -1 EBADF (Bad file descriptor) [pid 432] close(4) = -1 EBADF (Bad file descriptor) [pid 432] close(5) = -1 EBADF (Bad file descriptor) [pid 432] close(6) = -1 EBADF (Bad file descriptor) [pid 432] close(7) = -1 EBADF (Bad file descriptor) [pid 432] close(8) = -1 EBADF (Bad file descriptor) [pid 432] close(9) = -1 EBADF (Bad file descriptor) [pid 432] close(10) = -1 EBADF (Bad file descriptor) [pid 432] close(11) = -1 EBADF (Bad file descriptor) [pid 432] close(12) = -1 EBADF (Bad file descriptor) [pid 432] close(13) = -1 EBADF (Bad file descriptor) [pid 432] close(14) = -1 EBADF (Bad file descriptor) [pid 432] close(15) = -1 EBADF (Bad file descriptor) [pid 432] close(16) = -1 EBADF (Bad file descriptor) [pid 432] close(17) = -1 EBADF (Bad file descriptor) [pid 432] close(18) = -1 EBADF (Bad file descriptor) [pid 432] close(19) = -1 EBADF (Bad file descriptor) [pid 432] close(20) = -1 EBADF (Bad file descriptor) [pid 432] close(21) = -1 EBADF (Bad file descriptor) [pid 432] close(22) = -1 EBADF (Bad file descriptor) [pid 432] close(23) = -1 EBADF (Bad file descriptor) [pid 432] close(24) = -1 EBADF (Bad file descriptor) [pid 432] close(25) = -1 EBADF (Bad file descriptor) [pid 432] close(26) = -1 EBADF (Bad file descriptor) [pid 432] close(27) = -1 EBADF (Bad file descriptor) [pid 432] close(28) = -1 EBADF (Bad file descriptor) [pid 432] close(29) = -1 EBADF (Bad file descriptor) [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./134/binderfs") = 0 [pid 297] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./134/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./134/cgroup.net") = 0 [pid 297] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./134/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./134/cgroup.cpu") = 0 [pid 297] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./134/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./134/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./134") = 0 [pid 297] mkdir("./135", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 433 attached , child_tidptr=0x555565b1f650) = 137 [pid 433] set_robust_list(0x555565b1f660, 24) = 0 [pid 433] chdir("./135") = 0 [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 433] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 433] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 433] write(1, "executing program\n", 18) = 18 [pid 433] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 433] close(3) = -1 EBADF (Bad file descriptor) [pid 433] close(4) = -1 EBADF (Bad file descriptor) [pid 433] close(5) = -1 EBADF (Bad file descriptor) [pid 433] close(6) = -1 EBADF (Bad file descriptor) [pid 433] close(7) = -1 EBADF (Bad file descriptor) [pid 433] close(8) = -1 EBADF (Bad file descriptor) [pid 433] close(9) = -1 EBADF (Bad file descriptor) [pid 433] close(10) = -1 EBADF (Bad file descriptor) [pid 433] close(11) = -1 EBADF (Bad file descriptor) [pid 433] close(12) = -1 EBADF (Bad file descriptor) [pid 433] close(13) = -1 EBADF (Bad file descriptor) [pid 433] close(14) = -1 EBADF (Bad file descriptor) [pid 433] close(15) = -1 EBADF (Bad file descriptor) [pid 433] close(16) = -1 EBADF (Bad file descriptor) [pid 433] close(17) = -1 EBADF (Bad file descriptor) [pid 433] close(18) = -1 EBADF (Bad file descriptor) [pid 433] close(19) = -1 EBADF (Bad file descriptor) [pid 433] close(20) = -1 EBADF (Bad file descriptor) [pid 433] close(21) = -1 EBADF (Bad file descriptor) [pid 433] close(22) = -1 EBADF (Bad file descriptor) [pid 433] close(23) = -1 EBADF (Bad file descriptor) [pid 433] close(24) = -1 EBADF (Bad file descriptor) [pid 433] close(25) = -1 EBADF (Bad file descriptor) [pid 433] close(26) = -1 EBADF (Bad file descriptor) [pid 433] close(27) = -1 EBADF (Bad file descriptor) [pid 433] close(28) = -1 EBADF (Bad file descriptor) [pid 433] close(29) = -1 EBADF (Bad file descriptor) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./135/binderfs") = 0 [pid 297] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./135/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./135/cgroup.net") = 0 [pid 297] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./135/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./135/cgroup.cpu") = 0 [pid 297] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./135/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./135/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./135") = 0 [pid 297] mkdir("./136", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 434 attached , child_tidptr=0x555565b1f650) = 138 [pid 434] set_robust_list(0x555565b1f660, 24) = 0 [pid 434] chdir("./136") = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 434] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 434] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 434] write(1, "executing program\n", 18executing program ) = 18 [ 27.076524][ T432] incfs: Error allocating mount info. -12 [ 27.082328][ T432] incfs: mount failed -12 [ 27.102091][ T433] incfs: Error allocating mount info. -12 [ 27.107832][ T433] incfs: mount failed -12 [pid 434] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 434] close(3) = -1 EBADF (Bad file descriptor) [pid 434] close(4) = -1 EBADF (Bad file descriptor) [pid 434] close(5) = -1 EBADF (Bad file descriptor) [pid 434] close(6) = -1 EBADF (Bad file descriptor) [pid 434] close(7) = -1 EBADF (Bad file descriptor) [pid 434] close(8) = -1 EBADF (Bad file descriptor) [pid 434] close(9) = -1 EBADF (Bad file descriptor) [pid 434] close(10) = -1 EBADF (Bad file descriptor) [pid 434] close(11) = -1 EBADF (Bad file descriptor) [pid 434] close(12) = -1 EBADF (Bad file descriptor) [pid 434] close(13) = -1 EBADF (Bad file descriptor) [pid 434] close(14) = -1 EBADF (Bad file descriptor) [pid 434] close(15) = -1 EBADF (Bad file descriptor) [pid 434] close(16) = -1 EBADF (Bad file descriptor) [pid 434] close(17) = -1 EBADF (Bad file descriptor) [pid 434] close(18) = -1 EBADF (Bad file descriptor) [pid 434] close(19) = -1 EBADF (Bad file descriptor) [pid 434] close(20) = -1 EBADF (Bad file descriptor) [pid 434] close(21) = -1 EBADF (Bad file descriptor) [pid 434] close(22) = -1 EBADF (Bad file descriptor) [pid 434] close(23) = -1 EBADF (Bad file descriptor) [pid 434] close(24) = -1 EBADF (Bad file descriptor) [pid 434] close(25) = -1 EBADF (Bad file descriptor) [pid 434] close(26) = -1 EBADF (Bad file descriptor) [pid 434] close(27) = -1 EBADF (Bad file descriptor) [pid 434] close(28) = -1 EBADF (Bad file descriptor) [pid 434] close(29) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./136/binderfs") = 0 [pid 297] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./136/cgroup.net") = 0 [pid 297] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./136/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./136/cgroup.cpu") = 0 [pid 297] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./136/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./136/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./136") = 0 [pid 297] mkdir("./137", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 139 ./strace-static-x86_64: Process 435 attached [pid 435] set_robust_list(0x555565b1f660, 24) = 0 [pid 435] chdir("./137") = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 435] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 435] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 435] write(1, "executing program\n", 18) = 18 [pid 435] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 435] close(3) = -1 EBADF (Bad file descriptor) [pid 435] close(4) = -1 EBADF (Bad file descriptor) [pid 435] close(5) = -1 EBADF (Bad file descriptor) [pid 435] close(6) = -1 EBADF (Bad file descriptor) [pid 435] close(7) = -1 EBADF (Bad file descriptor) [pid 435] close(8) = -1 EBADF (Bad file descriptor) [pid 435] close(9) = -1 EBADF (Bad file descriptor) [pid 435] close(10) = -1 EBADF (Bad file descriptor) [pid 435] close(11) = -1 EBADF (Bad file descriptor) [pid 435] close(12) = -1 EBADF (Bad file descriptor) [pid 435] close(13) = -1 EBADF (Bad file descriptor) [pid 435] close(14) = -1 EBADF (Bad file descriptor) [pid 435] close(15) = -1 EBADF (Bad file descriptor) [pid 435] close(16) = -1 EBADF (Bad file descriptor) [pid 435] close(17) = -1 EBADF (Bad file descriptor) [pid 435] close(18) = -1 EBADF (Bad file descriptor) [pid 435] close(19) = -1 EBADF (Bad file descriptor) [pid 435] close(20) = -1 EBADF (Bad file descriptor) [pid 435] close(21) = -1 EBADF (Bad file descriptor) [pid 435] close(22) = -1 EBADF (Bad file descriptor) [pid 435] close(23) = -1 EBADF (Bad file descriptor) [pid 435] close(24) = -1 EBADF (Bad file descriptor) [pid 435] close(25) = -1 EBADF (Bad file descriptor) [pid 435] close(26) = -1 EBADF (Bad file descriptor) [pid 435] close(27) = -1 EBADF (Bad file descriptor) [pid 435] close(28) = -1 EBADF (Bad file descriptor) [pid 435] close(29) = -1 EBADF (Bad file descriptor) [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./137/binderfs") = 0 [pid 297] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./137/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./137/cgroup.net") = 0 [pid 297] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./137/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./137/cgroup.cpu") = 0 [pid 297] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./137/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./137/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./137") = 0 [pid 297] mkdir("./138", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 436 attached , child_tidptr=0x555565b1f650) = 140 [pid 436] set_robust_list(0x555565b1f660, 24) = 0 [pid 436] chdir("./138") = 0 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 436] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 436] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 436] write(1, "executing program\n", 18executing program ) = 18 [ 27.128423][ T434] incfs: Error allocating mount info. -12 [ 27.134211][ T434] incfs: mount failed -12 [ 27.156720][ T435] incfs: Error allocating mount info. -12 [ 27.162519][ T435] incfs: mount failed -12 [pid 436] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 436] close(3) = -1 EBADF (Bad file descriptor) [pid 436] close(4) = -1 EBADF (Bad file descriptor) [pid 436] close(5) = -1 EBADF (Bad file descriptor) [pid 436] close(6) = -1 EBADF (Bad file descriptor) [pid 436] close(7) = -1 EBADF (Bad file descriptor) [pid 436] close(8) = -1 EBADF (Bad file descriptor) [pid 436] close(9) = -1 EBADF (Bad file descriptor) [pid 436] close(10) = -1 EBADF (Bad file descriptor) [pid 436] close(11) = -1 EBADF (Bad file descriptor) [pid 436] close(12) = -1 EBADF (Bad file descriptor) [pid 436] close(13) = -1 EBADF (Bad file descriptor) [pid 436] close(14) = -1 EBADF (Bad file descriptor) [pid 436] close(15) = -1 EBADF (Bad file descriptor) [pid 436] close(16) = -1 EBADF (Bad file descriptor) [pid 436] close(17) = -1 EBADF (Bad file descriptor) [pid 436] close(18) = -1 EBADF (Bad file descriptor) [pid 436] close(19) = -1 EBADF (Bad file descriptor) [pid 436] close(20) = -1 EBADF (Bad file descriptor) [pid 436] close(21) = -1 EBADF (Bad file descriptor) [pid 436] close(22) = -1 EBADF (Bad file descriptor) [pid 436] close(23) = -1 EBADF (Bad file descriptor) [pid 436] close(24) = -1 EBADF (Bad file descriptor) [pid 436] close(25) = -1 EBADF (Bad file descriptor) [pid 436] close(26) = -1 EBADF (Bad file descriptor) [pid 436] close(27) = -1 EBADF (Bad file descriptor) [pid 436] close(28) = -1 EBADF (Bad file descriptor) [pid 436] close(29) = -1 EBADF (Bad file descriptor) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./138/binderfs") = 0 [pid 297] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./138/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./138/cgroup.net") = 0 [pid 297] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./138/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./138/cgroup.cpu") = 0 [pid 297] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./138/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./138/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./138") = 0 [pid 297] mkdir("./139", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 141 ./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x555565b1f660, 24) = 0 [pid 437] chdir("./139") = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 437] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 437] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 437] write(1, "executing program\n", 18) = 18 [pid 437] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 437] close(3) = -1 EBADF (Bad file descriptor) [pid 437] close(4) = -1 EBADF (Bad file descriptor) [pid 437] close(5) = -1 EBADF (Bad file descriptor) [pid 437] close(6) = -1 EBADF (Bad file descriptor) [pid 437] close(7) = -1 EBADF (Bad file descriptor) [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./139/binderfs") = 0 [pid 297] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./139/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./139/cgroup.net") = 0 [pid 297] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./139/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./139/cgroup.cpu") = 0 [pid 297] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./139/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./139/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./139") = 0 [pid 297] mkdir("./140", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 438 attached , child_tidptr=0x555565b1f650) = 142 [pid 438] set_robust_list(0x555565b1f660, 24) = 0 [pid 438] chdir("./140") = 0 [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 438] setpgid(0, 0) = 0 [pid 438] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 438] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 438] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 438] write(3, "1000", 4) = 4 [pid 438] close(3) = 0 [pid 438] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 438] write(1, "executing program\n", 18) = 18 [ 27.182957][ T436] incfs: Error allocating mount info. -12 [ 27.188766][ T436] incfs: mount failed -12 [ 27.210498][ T437] incfs: Error allocating mount info. -12 [ 27.216256][ T437] incfs: mount failed -12 [pid 438] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 438] close(3) = -1 EBADF (Bad file descriptor) [pid 438] close(4) = -1 EBADF (Bad file descriptor) [pid 438] close(5) = -1 EBADF (Bad file descriptor) [pid 438] close(6) = -1 EBADF (Bad file descriptor) [pid 438] close(7) = -1 EBADF (Bad file descriptor) [pid 438] close(8) = -1 EBADF (Bad file descriptor) [pid 438] close(9) = -1 EBADF (Bad file descriptor) [pid 438] close(10) = -1 EBADF (Bad file descriptor) [pid 438] close(11) = -1 EBADF (Bad file descriptor) [pid 438] close(12) = -1 EBADF (Bad file descriptor) [pid 438] close(13) = -1 EBADF (Bad file descriptor) [pid 438] close(14) = -1 EBADF (Bad file descriptor) [pid 438] close(15) = -1 EBADF (Bad file descriptor) [pid 438] close(16) = -1 EBADF (Bad file descriptor) [pid 438] close(17) = -1 EBADF (Bad file descriptor) [pid 438] close(18) = -1 EBADF (Bad file descriptor) [pid 438] close(19) = -1 EBADF (Bad file descriptor) [pid 438] close(20) = -1 EBADF (Bad file descriptor) [pid 438] close(21) = -1 EBADF (Bad file descriptor) [pid 438] close(22) = -1 EBADF (Bad file descriptor) [pid 438] close(23) = -1 EBADF (Bad file descriptor) [pid 438] close(24) = -1 EBADF (Bad file descriptor) [pid 438] close(25) = -1 EBADF (Bad file descriptor) [pid 438] close(26) = -1 EBADF (Bad file descriptor) [pid 438] close(27) = -1 EBADF (Bad file descriptor) [pid 438] close(28) = -1 EBADF (Bad file descriptor) [pid 438] close(29) = -1 EBADF (Bad file descriptor) [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./140/binderfs") = 0 [pid 297] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./140/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./140/cgroup.net") = 0 [pid 297] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./140/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./140/cgroup.cpu") = 0 [pid 297] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./140/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./140/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./140") = 0 [pid 297] mkdir("./141", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 143 ./strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x555565b1f660, 24) = 0 [pid 439] chdir("./141") = 0 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 439] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 439] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 439] write(1, "executing program\n", 18) = 18 [pid 439] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 439] close(3) = -1 EBADF (Bad file descriptor) [pid 439] close(4) = -1 EBADF (Bad file descriptor) [pid 439] close(5) = -1 EBADF (Bad file descriptor) [pid 439] close(6) = -1 EBADF (Bad file descriptor) [pid 439] close(7) = -1 EBADF (Bad file descriptor) [pid 439] close(8) = -1 EBADF (Bad file descriptor) [pid 439] close(9) = -1 EBADF (Bad file descriptor) [pid 439] close(10) = -1 EBADF (Bad file descriptor) [pid 439] close(11) = -1 EBADF (Bad file descriptor) [pid 439] close(12) = -1 EBADF (Bad file descriptor) [pid 439] close(13) = -1 EBADF (Bad file descriptor) [pid 439] close(14) = -1 EBADF (Bad file descriptor) [pid 439] close(15) = -1 EBADF (Bad file descriptor) [pid 439] close(16) = -1 EBADF (Bad file descriptor) [pid 439] close(17) = -1 EBADF (Bad file descriptor) [pid 439] close(18) = -1 EBADF (Bad file descriptor) [pid 439] close(19) = -1 EBADF (Bad file descriptor) [pid 439] close(20) = -1 EBADF (Bad file descriptor) [pid 439] close(21) = -1 EBADF (Bad file descriptor) [pid 439] close(22) = -1 EBADF (Bad file descriptor) [pid 439] close(23) = -1 EBADF (Bad file descriptor) [pid 439] close(24) = -1 EBADF (Bad file descriptor) [pid 439] close(25) = -1 EBADF (Bad file descriptor) [pid 439] close(26) = -1 EBADF (Bad file descriptor) [pid 439] close(27) = -1 EBADF (Bad file descriptor) [pid 439] close(28) = -1 EBADF (Bad file descriptor) [pid 439] close(29) = -1 EBADF (Bad file descriptor) [pid 439] exit_group(0) = ? [pid 439] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./141/binderfs") = 0 [pid 297] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./141/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./141/cgroup.net") = 0 [pid 297] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./141/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./141/cgroup.cpu") = 0 [pid 297] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./141/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./141/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./141") = 0 [pid 297] mkdir("./142", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 144 ./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x555565b1f660, 24) = 0 [pid 440] chdir("./142") = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 440] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 440] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 440] write(1, "executing program\n", 18) = 18 [ 27.237863][ T438] incfs: Error allocating mount info. -12 [ 27.243662][ T438] incfs: mount failed -12 [ 27.263314][ T439] incfs: Error allocating mount info. -12 [ 27.269546][ T439] incfs: mount failed -12 [pid 440] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 440] close(3) = -1 EBADF (Bad file descriptor) [pid 440] close(4) = -1 EBADF (Bad file descriptor) [pid 440] close(5) = -1 EBADF (Bad file descriptor) [pid 440] close(6) = -1 EBADF (Bad file descriptor) [pid 440] close(7) = -1 EBADF (Bad file descriptor) [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./142/binderfs") = 0 [pid 297] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./142/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./142/cgroup.net") = 0 [pid 297] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./142/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./142/cgroup.cpu") = 0 [pid 297] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./142/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./142/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./142") = 0 [pid 297] mkdir("./143", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 441 attached , child_tidptr=0x555565b1f650) = 145 [pid 441] set_robust_list(0x555565b1f660, 24) = 0 [pid 441] chdir("./143") = 0 [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 441] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 441] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 441] write(1, "executing program\n", 18) = 18 [pid 441] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 441] close(3) = -1 EBADF (Bad file descriptor) [pid 441] close(4) = -1 EBADF (Bad file descriptor) [pid 441] close(5) = -1 EBADF (Bad file descriptor) [pid 441] close(6) = -1 EBADF (Bad file descriptor) [pid 441] close(7) = -1 EBADF (Bad file descriptor) [pid 441] close(8) = -1 EBADF (Bad file descriptor) [pid 441] close(9) = -1 EBADF (Bad file descriptor) [pid 441] close(10) = -1 EBADF (Bad file descriptor) [pid 441] close(11) = -1 EBADF (Bad file descriptor) [pid 441] close(12) = -1 EBADF (Bad file descriptor) [pid 441] close(13) = -1 EBADF (Bad file descriptor) [pid 441] close(14) = -1 EBADF (Bad file descriptor) [pid 441] close(15) = -1 EBADF (Bad file descriptor) [pid 441] close(16) = -1 EBADF (Bad file descriptor) [pid 441] close(17) = -1 EBADF (Bad file descriptor) [pid 441] close(18) = -1 EBADF (Bad file descriptor) [pid 441] close(19) = -1 EBADF (Bad file descriptor) [pid 441] close(20) = -1 EBADF (Bad file descriptor) [pid 441] close(21) = -1 EBADF (Bad file descriptor) [pid 441] close(22) = -1 EBADF (Bad file descriptor) [pid 441] close(23) = -1 EBADF (Bad file descriptor) [pid 441] close(24) = -1 EBADF (Bad file descriptor) [pid 441] close(25) = -1 EBADF (Bad file descriptor) [pid 441] close(26) = -1 EBADF (Bad file descriptor) [pid 441] close(27) = -1 EBADF (Bad file descriptor) [pid 441] close(28) = -1 EBADF (Bad file descriptor) [pid 441] close(29) = -1 EBADF (Bad file descriptor) [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./143/binderfs") = 0 [pid 297] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./143/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./143/cgroup.net") = 0 [pid 297] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./143/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./143/cgroup.cpu") = 0 [pid 297] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./143/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./143/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./143") = 0 [pid 297] mkdir("./144", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x555565b1f660, 24) = 0 [pid 442] chdir("./144") = 0 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 146 [pid 442] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 442] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 executing program [pid 442] symlink("/dev/binderfs", "./binderfs") = 0 [pid 442] write(1, "executing program\n", 18) = 18 [ 27.287687][ T440] incfs: Error allocating mount info. -12 [ 27.293468][ T440] incfs: mount failed -12 [ 27.315597][ T441] incfs: Error allocating mount info. -12 [ 27.321433][ T441] incfs: mount failed -12 [pid 442] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 442] close(3) = -1 EBADF (Bad file descriptor) [pid 442] close(4) = -1 EBADF (Bad file descriptor) [pid 442] close(5) = -1 EBADF (Bad file descriptor) [pid 442] close(6) = -1 EBADF (Bad file descriptor) [pid 442] close(7) = -1 EBADF (Bad file descriptor) [pid 442] close(8) = -1 EBADF (Bad file descriptor) [pid 442] close(9) = -1 EBADF (Bad file descriptor) [pid 442] close(10) = -1 EBADF (Bad file descriptor) [pid 442] close(11) = -1 EBADF (Bad file descriptor) [pid 442] close(12) = -1 EBADF (Bad file descriptor) [pid 442] close(13) = -1 EBADF (Bad file descriptor) [pid 442] close(14) = -1 EBADF (Bad file descriptor) [pid 442] close(15) = -1 EBADF (Bad file descriptor) [pid 442] close(16) = -1 EBADF (Bad file descriptor) [pid 442] close(17) = -1 EBADF (Bad file descriptor) [pid 442] close(18) = -1 EBADF (Bad file descriptor) [pid 442] close(19) = -1 EBADF (Bad file descriptor) [pid 442] close(20) = -1 EBADF (Bad file descriptor) [pid 442] close(21) = -1 EBADF (Bad file descriptor) [pid 442] close(22) = -1 EBADF (Bad file descriptor) [pid 442] close(23) = -1 EBADF (Bad file descriptor) [pid 442] close(24) = -1 EBADF (Bad file descriptor) [pid 442] close(25) = -1 EBADF (Bad file descriptor) [pid 442] close(26) = -1 EBADF (Bad file descriptor) [pid 442] close(27) = -1 EBADF (Bad file descriptor) [pid 442] close(28) = -1 EBADF (Bad file descriptor) [pid 442] close(29) = -1 EBADF (Bad file descriptor) [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./144/binderfs") = 0 [pid 297] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./144/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./144/cgroup.net") = 0 [pid 297] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./144/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./144/cgroup.cpu") = 0 [pid 297] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./144/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./144/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./144") = 0 [pid 297] mkdir("./145", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x555565b1f660, 24) = 0 [pid 443] chdir("./145") = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 147 [pid 443] <... symlink resumed>) = 0 [pid 443] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 443] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 443] write(1, "executing program\n", 18) = 18 [pid 443] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 443] close(3) = -1 EBADF (Bad file descriptor) [pid 443] close(4) = -1 EBADF (Bad file descriptor) [pid 443] close(5) = -1 EBADF (Bad file descriptor) [pid 443] close(6) = -1 EBADF (Bad file descriptor) [pid 443] close(7) = -1 EBADF (Bad file descriptor) [pid 443] close(8) = -1 EBADF (Bad file descriptor) [pid 443] close(9) = -1 EBADF (Bad file descriptor) [pid 443] close(10) = -1 EBADF (Bad file descriptor) [pid 443] close(11) = -1 EBADF (Bad file descriptor) [pid 443] close(12) = -1 EBADF (Bad file descriptor) [pid 443] close(13) = -1 EBADF (Bad file descriptor) [pid 443] close(14) = -1 EBADF (Bad file descriptor) [pid 443] close(15) = -1 EBADF (Bad file descriptor) [pid 443] close(16) = -1 EBADF (Bad file descriptor) [pid 443] close(17) = -1 EBADF (Bad file descriptor) [pid 443] close(18) = -1 EBADF (Bad file descriptor) [pid 443] close(19) = -1 EBADF (Bad file descriptor) [pid 443] close(20) = -1 EBADF (Bad file descriptor) [pid 443] close(21) = -1 EBADF (Bad file descriptor) [pid 443] close(22) = -1 EBADF (Bad file descriptor) [pid 443] close(23) = -1 EBADF (Bad file descriptor) [pid 443] close(24) = -1 EBADF (Bad file descriptor) [pid 443] close(25) = -1 EBADF (Bad file descriptor) [pid 443] close(26) = -1 EBADF (Bad file descriptor) [pid 443] close(27) = -1 EBADF (Bad file descriptor) [pid 443] close(28) = -1 EBADF (Bad file descriptor) [pid 443] close(29) = -1 EBADF (Bad file descriptor) [pid 443] exit_group(0) = ? [pid 443] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./145/binderfs") = 0 [pid 297] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./145/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./145/cgroup.net") = 0 [pid 297] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./145/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./145/cgroup.cpu") = 0 [pid 297] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./145/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./145/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./145") = 0 [pid 297] mkdir("./146", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 148 ./strace-static-x86_64: Process 444 attached [pid 444] set_robust_list(0x555565b1f660, 24) = 0 [pid 444] chdir("./146") = 0 [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 444] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 444] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 444] write(1, "executing program\n", 18) = 18 [ 27.340545][ T442] incfs: Error allocating mount info. -12 [ 27.346285][ T442] incfs: mount failed -12 [ 27.368075][ T443] incfs: Error allocating mount info. -12 [ 27.373883][ T443] incfs: mount failed -12 [pid 444] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 444] close(3) = -1 EBADF (Bad file descriptor) [pid 444] close(4) = -1 EBADF (Bad file descriptor) [pid 444] close(5) = -1 EBADF (Bad file descriptor) [pid 444] close(6) = -1 EBADF (Bad file descriptor) [pid 444] close(7) = -1 EBADF (Bad file descriptor) [pid 444] close(8) = -1 EBADF (Bad file descriptor) [pid 444] close(9) = -1 EBADF (Bad file descriptor) [pid 444] close(10) = -1 EBADF (Bad file descriptor) [pid 444] close(11) = -1 EBADF (Bad file descriptor) [pid 444] close(12) = -1 EBADF (Bad file descriptor) [pid 444] close(13) = -1 EBADF (Bad file descriptor) [pid 444] close(14) = -1 EBADF (Bad file descriptor) [pid 444] close(15) = -1 EBADF (Bad file descriptor) [pid 444] close(16) = -1 EBADF (Bad file descriptor) [pid 444] close(17) = -1 EBADF (Bad file descriptor) [pid 444] close(18) = -1 EBADF (Bad file descriptor) [pid 444] close(19) = -1 EBADF (Bad file descriptor) [pid 444] close(20) = -1 EBADF (Bad file descriptor) [pid 444] close(21) = -1 EBADF (Bad file descriptor) [pid 444] close(22) = -1 EBADF (Bad file descriptor) [pid 444] close(23) = -1 EBADF (Bad file descriptor) [pid 444] close(24) = -1 EBADF (Bad file descriptor) [pid 444] close(25) = -1 EBADF (Bad file descriptor) [pid 444] close(26) = -1 EBADF (Bad file descriptor) [pid 444] close(27) = -1 EBADF (Bad file descriptor) [pid 444] close(28) = -1 EBADF (Bad file descriptor) [pid 444] close(29) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./146/binderfs") = 0 [pid 297] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./146/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./146/cgroup.net") = 0 [pid 297] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./146/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./146/cgroup.cpu") = 0 [pid 297] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./146/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./146/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./146") = 0 [pid 297] mkdir("./147", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 445 attached [pid 445] set_robust_list(0x555565b1f660, 24) = 0 [pid 445] chdir("./147") = 0 [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 149 [pid 445] <... prctl resumed>) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 445] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 445] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 445] write(1, "executing program\n", 18) = 18 [pid 445] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 445] close(3) = -1 EBADF (Bad file descriptor) [pid 445] close(4) = -1 EBADF (Bad file descriptor) [pid 445] close(5) = -1 EBADF (Bad file descriptor) [pid 445] close(6) = -1 EBADF (Bad file descriptor) [pid 445] close(7) = -1 EBADF (Bad file descriptor) [pid 445] close(8) = -1 EBADF (Bad file descriptor) [pid 445] close(9) = -1 EBADF (Bad file descriptor) [pid 445] close(10) = -1 EBADF (Bad file descriptor) [pid 445] close(11) = -1 EBADF (Bad file descriptor) [pid 445] close(12) = -1 EBADF (Bad file descriptor) [pid 445] close(13) = -1 EBADF (Bad file descriptor) [pid 445] close(14) = -1 EBADF (Bad file descriptor) [pid 445] close(15) = -1 EBADF (Bad file descriptor) [pid 445] close(16) = -1 EBADF (Bad file descriptor) [pid 445] close(17) = -1 EBADF (Bad file descriptor) [pid 445] close(18) = -1 EBADF (Bad file descriptor) [pid 445] close(19) = -1 EBADF (Bad file descriptor) [pid 445] close(20) = -1 EBADF (Bad file descriptor) [pid 445] close(21) = -1 EBADF (Bad file descriptor) [pid 445] close(22) = -1 EBADF (Bad file descriptor) [pid 445] close(23) = -1 EBADF (Bad file descriptor) [pid 445] close(24) = -1 EBADF (Bad file descriptor) [pid 445] close(25) = -1 EBADF (Bad file descriptor) [pid 445] close(26) = -1 EBADF (Bad file descriptor) [pid 445] close(27) = -1 EBADF (Bad file descriptor) [pid 445] close(28) = -1 EBADF (Bad file descriptor) [pid 445] close(29) = -1 EBADF (Bad file descriptor) [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./147/binderfs") = 0 [pid 297] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./147/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./147/cgroup.net") = 0 [pid 297] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./147/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./147/cgroup.cpu") = 0 [pid 297] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./147/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./147/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./147") = 0 [pid 297] mkdir("./148", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 150 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x555565b1f660, 24) = 0 [pid 446] chdir("./148") = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 446] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 446] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 446] write(1, "executing program\n", 18) = 18 [ 27.395429][ T444] incfs: Error allocating mount info. -12 [ 27.401229][ T444] incfs: mount failed -12 [ 27.423178][ T445] incfs: Error allocating mount info. -12 [ 27.428975][ T445] incfs: mount failed -12 [pid 446] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 446] close(3) = -1 EBADF (Bad file descriptor) [pid 446] close(4) = -1 EBADF (Bad file descriptor) [pid 446] close(5) = -1 EBADF (Bad file descriptor) [pid 446] close(6) = -1 EBADF (Bad file descriptor) [pid 446] close(7) = -1 EBADF (Bad file descriptor) [pid 446] close(8) = -1 EBADF (Bad file descriptor) [pid 446] close(9) = -1 EBADF (Bad file descriptor) [pid 446] close(10) = -1 EBADF (Bad file descriptor) [pid 446] close(11) = -1 EBADF (Bad file descriptor) [pid 446] close(12) = -1 EBADF (Bad file descriptor) [pid 446] close(13) = -1 EBADF (Bad file descriptor) [pid 446] close(14) = -1 EBADF (Bad file descriptor) [pid 446] close(15) = -1 EBADF (Bad file descriptor) [pid 446] close(16) = -1 EBADF (Bad file descriptor) [pid 446] close(17) = -1 EBADF (Bad file descriptor) [pid 446] close(18) = -1 EBADF (Bad file descriptor) [pid 446] close(19) = -1 EBADF (Bad file descriptor) [pid 446] close(20) = -1 EBADF (Bad file descriptor) [pid 446] close(21) = -1 EBADF (Bad file descriptor) [pid 446] close(22) = -1 EBADF (Bad file descriptor) [pid 446] close(23) = -1 EBADF (Bad file descriptor) [pid 446] close(24) = -1 EBADF (Bad file descriptor) [pid 446] close(25) = -1 EBADF (Bad file descriptor) [pid 446] close(26) = -1 EBADF (Bad file descriptor) [pid 446] close(27) = -1 EBADF (Bad file descriptor) [pid 446] close(28) = -1 EBADF (Bad file descriptor) [pid 446] close(29) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0) = ? [pid 446] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./148/binderfs") = 0 [pid 297] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./148/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./148/cgroup.net") = 0 [pid 297] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./148/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./148/cgroup.cpu") = 0 [pid 297] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./148/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./148/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./148") = 0 [pid 297] mkdir("./149", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 151 ./strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x555565b1f660, 24) = 0 [pid 447] chdir("./149") = 0 [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 447] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 447] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 447] close(3) = 0 [pid 447] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 447] write(1, "executing program\n", 18) = 18 [pid 447] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 447] close(3) = -1 EBADF (Bad file descriptor) [pid 447] close(4) = -1 EBADF (Bad file descriptor) [pid 447] close(5) = -1 EBADF (Bad file descriptor) [pid 447] close(6) = -1 EBADF (Bad file descriptor) [pid 447] close(7) = -1 EBADF (Bad file descriptor) [pid 447] close(8) = -1 EBADF (Bad file descriptor) [pid 447] close(9) = -1 EBADF (Bad file descriptor) [pid 447] close(10) = -1 EBADF (Bad file descriptor) [pid 447] close(11) = -1 EBADF (Bad file descriptor) [pid 447] close(12) = -1 EBADF (Bad file descriptor) [pid 447] close(13) = -1 EBADF (Bad file descriptor) [pid 447] close(14) = -1 EBADF (Bad file descriptor) [pid 447] close(15) = -1 EBADF (Bad file descriptor) [pid 447] close(16) = -1 EBADF (Bad file descriptor) [pid 447] close(17) = -1 EBADF (Bad file descriptor) [pid 447] close(18) = -1 EBADF (Bad file descriptor) [pid 447] close(19) = -1 EBADF (Bad file descriptor) [pid 447] close(20) = -1 EBADF (Bad file descriptor) [pid 447] close(21) = -1 EBADF (Bad file descriptor) [pid 447] close(22) = -1 EBADF (Bad file descriptor) [pid 447] close(23) = -1 EBADF (Bad file descriptor) [pid 447] close(24) = -1 EBADF (Bad file descriptor) [pid 447] close(25) = -1 EBADF (Bad file descriptor) [pid 447] close(26) = -1 EBADF (Bad file descriptor) [pid 447] close(27) = -1 EBADF (Bad file descriptor) [pid 447] close(28) = -1 EBADF (Bad file descriptor) [pid 447] close(29) = -1 EBADF (Bad file descriptor) [pid 447] exit_group(0) = ? [pid 447] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./149/binderfs") = 0 [pid 297] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./149/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./149/cgroup.net") = 0 [pid 297] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./149/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./149/cgroup.cpu") = 0 [pid 297] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./149/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./149/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./149") = 0 [pid 297] mkdir("./150", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 152 ./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x555565b1f660, 24) = 0 [pid 448] chdir("./150") = 0 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 448] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 448] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [ 27.453237][ T446] incfs: Error allocating mount info. -12 [ 27.459023][ T446] incfs: mount failed -12 [ 27.481548][ T447] incfs: Error allocating mount info. -12 [ 27.487298][ T447] incfs: mount failed -12 [pid 448] write(1, "executing program\n", 18) = 18 [pid 448] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 448] close(3) = -1 EBADF (Bad file descriptor) [pid 448] close(4) = -1 EBADF (Bad file descriptor) [pid 448] close(5) = -1 EBADF (Bad file descriptor) [pid 448] close(6) = -1 EBADF (Bad file descriptor) [pid 448] close(7) = -1 EBADF (Bad file descriptor) [pid 448] close(8) = -1 EBADF (Bad file descriptor) [pid 448] close(9) = -1 EBADF (Bad file descriptor) [pid 448] close(10) = -1 EBADF (Bad file descriptor) [pid 448] close(11) = -1 EBADF (Bad file descriptor) [pid 448] close(12) = -1 EBADF (Bad file descriptor) [pid 448] close(13) = -1 EBADF (Bad file descriptor) [pid 448] close(14) = -1 EBADF (Bad file descriptor) [pid 448] close(15) = -1 EBADF (Bad file descriptor) [pid 448] close(16) = -1 EBADF (Bad file descriptor) [pid 448] close(17) = -1 EBADF (Bad file descriptor) [pid 448] close(18) = -1 EBADF (Bad file descriptor) [pid 448] close(19) = -1 EBADF (Bad file descriptor) [pid 448] close(20) = -1 EBADF (Bad file descriptor) [pid 448] close(21) = -1 EBADF (Bad file descriptor) [pid 448] close(22) = -1 EBADF (Bad file descriptor) [pid 448] close(23) = -1 EBADF (Bad file descriptor) [pid 448] close(24) = -1 EBADF (Bad file descriptor) [pid 448] close(25) = -1 EBADF (Bad file descriptor) [pid 448] close(26) = -1 EBADF (Bad file descriptor) [pid 448] close(27) = -1 EBADF (Bad file descriptor) [pid 448] close(28) = -1 EBADF (Bad file descriptor) [pid 448] close(29) = -1 EBADF (Bad file descriptor) [pid 448] exit_group(0) = ? [pid 448] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./150/binderfs") = 0 [pid 297] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./150/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./150/cgroup.net") = 0 [pid 297] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./150/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./150/cgroup.cpu") = 0 [pid 297] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./150/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./150/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./150") = 0 [pid 297] mkdir("./151", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 153 ./strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x555565b1f660, 24) = 0 [pid 449] chdir("./151") = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 449] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 449] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 449] close(3) = -1 EBADF (Bad file descriptor) [pid 449] close(4) = -1 EBADF (Bad file descriptor) [pid 449] close(5) = -1 EBADF (Bad file descriptor) [pid 449] close(6) = -1 EBADF (Bad file descriptor) [pid 449] close(7) = -1 EBADF (Bad file descriptor) [pid 449] close(8) = -1 EBADF (Bad file descriptor) [pid 449] close(9) = -1 EBADF (Bad file descriptor) [pid 449] close(10) = -1 EBADF (Bad file descriptor) [pid 449] close(11) = -1 EBADF (Bad file descriptor) [pid 449] close(12) = -1 EBADF (Bad file descriptor) [pid 449] close(13) = -1 EBADF (Bad file descriptor) [pid 449] close(14) = -1 EBADF (Bad file descriptor) [pid 449] close(15) = -1 EBADF (Bad file descriptor) [pid 449] close(16) = -1 EBADF (Bad file descriptor) [pid 449] close(17) = -1 EBADF (Bad file descriptor) [pid 449] close(18) = -1 EBADF (Bad file descriptor) [pid 449] close(19) = -1 EBADF (Bad file descriptor) [pid 449] close(20) = -1 EBADF (Bad file descriptor) [pid 449] close(21) = -1 EBADF (Bad file descriptor) [pid 449] close(22) = -1 EBADF (Bad file descriptor) [pid 449] close(23) = -1 EBADF (Bad file descriptor) [pid 449] close(24) = -1 EBADF (Bad file descriptor) [pid 449] close(25) = -1 EBADF (Bad file descriptor) [pid 449] close(26) = -1 EBADF (Bad file descriptor) [pid 449] close(27) = -1 EBADF (Bad file descriptor) [pid 449] close(28) = -1 EBADF (Bad file descriptor) [pid 449] close(29) = -1 EBADF (Bad file descriptor) [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./151/binderfs") = 0 [pid 297] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./151/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./151/cgroup.net") = 0 [pid 297] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./151/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./151/cgroup.cpu") = 0 [pid 297] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./151/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./151/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./151") = 0 [pid 297] mkdir("./152", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 154 ./strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x555565b1f660, 24) = 0 [pid 450] chdir("./152") = 0 [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 450] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 450] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 450] write(1, "executing program\n", 18) = 18 [ 27.510047][ T448] incfs: Error allocating mount info. -12 [ 27.515793][ T448] incfs: mount failed -12 [ 27.537177][ T449] incfs: Error allocating mount info. -12 [ 27.542981][ T449] incfs: mount failed -12 [pid 450] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 450] close(3) = -1 EBADF (Bad file descriptor) [pid 450] close(4) = -1 EBADF (Bad file descriptor) [pid 450] close(5) = -1 EBADF (Bad file descriptor) [pid 450] close(6) = -1 EBADF (Bad file descriptor) [pid 450] close(7) = -1 EBADF (Bad file descriptor) [pid 450] close(8) = -1 EBADF (Bad file descriptor) [pid 450] close(9) = -1 EBADF (Bad file descriptor) [pid 450] close(10) = -1 EBADF (Bad file descriptor) [pid 450] close(11) = -1 EBADF (Bad file descriptor) [pid 450] close(12) = -1 EBADF (Bad file descriptor) [pid 450] close(13) = -1 EBADF (Bad file descriptor) [pid 450] close(14) = -1 EBADF (Bad file descriptor) [pid 450] close(15) = -1 EBADF (Bad file descriptor) [pid 450] close(16) = -1 EBADF (Bad file descriptor) [pid 450] close(17) = -1 EBADF (Bad file descriptor) [pid 450] close(18) = -1 EBADF (Bad file descriptor) [pid 450] close(19) = -1 EBADF (Bad file descriptor) [pid 450] close(20) = -1 EBADF (Bad file descriptor) [pid 450] close(21) = -1 EBADF (Bad file descriptor) [pid 450] close(22) = -1 EBADF (Bad file descriptor) [pid 450] close(23) = -1 EBADF (Bad file descriptor) [pid 450] close(24) = -1 EBADF (Bad file descriptor) [pid 450] close(25) = -1 EBADF (Bad file descriptor) [pid 450] close(26) = -1 EBADF (Bad file descriptor) [pid 450] close(27) = -1 EBADF (Bad file descriptor) [pid 450] close(28) = -1 EBADF (Bad file descriptor) [pid 450] close(29) = -1 EBADF (Bad file descriptor) [pid 450] exit_group(0) = ? [pid 450] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./152/binderfs") = 0 [pid 297] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./152/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./152/cgroup.net") = 0 [pid 297] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./152/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./152/cgroup.cpu") = 0 [pid 297] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./152/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./152/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./152") = 0 [pid 297] mkdir("./153", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 155 ./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x555565b1f660, 24) = 0 [pid 451] chdir("./153") = 0 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 [pid 451] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 451] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 451] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] write(3, "1000", 4) = 4 [pid 451] close(3) = 0 [pid 451] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 451] write(1, "executing program\n", 18) = 18 [pid 451] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 451] close(3) = -1 EBADF (Bad file descriptor) [pid 451] close(4) = -1 EBADF (Bad file descriptor) [pid 451] close(5) = -1 EBADF (Bad file descriptor) [pid 451] close(6) = -1 EBADF (Bad file descriptor) [pid 451] close(7) = -1 EBADF (Bad file descriptor) [pid 451] close(8) = -1 EBADF (Bad file descriptor) [pid 451] close(9) = -1 EBADF (Bad file descriptor) [pid 451] close(10) = -1 EBADF (Bad file descriptor) [pid 451] close(11) = -1 EBADF (Bad file descriptor) [pid 451] close(12) = -1 EBADF (Bad file descriptor) [pid 451] close(13) = -1 EBADF (Bad file descriptor) [pid 451] close(14) = -1 EBADF (Bad file descriptor) [pid 451] close(15) = -1 EBADF (Bad file descriptor) [pid 451] close(16) = -1 EBADF (Bad file descriptor) [pid 451] close(17) = -1 EBADF (Bad file descriptor) [pid 451] close(18) = -1 EBADF (Bad file descriptor) [pid 451] close(19) = -1 EBADF (Bad file descriptor) [pid 451] close(20) = -1 EBADF (Bad file descriptor) [pid 451] close(21) = -1 EBADF (Bad file descriptor) [pid 451] close(22) = -1 EBADF (Bad file descriptor) [pid 451] close(23) = -1 EBADF (Bad file descriptor) [pid 451] close(24) = -1 EBADF (Bad file descriptor) [pid 451] close(25) = -1 EBADF (Bad file descriptor) [pid 451] close(26) = -1 EBADF (Bad file descriptor) [pid 451] close(27) = -1 EBADF (Bad file descriptor) [pid 451] close(28) = -1 EBADF (Bad file descriptor) [pid 451] close(29) = -1 EBADF (Bad file descriptor) [pid 451] exit_group(0) = ? [pid 451] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./153/binderfs") = 0 [pid 297] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./153/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./153/cgroup.net") = 0 [pid 297] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./153/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./153/cgroup.cpu") = 0 [pid 297] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./153/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./153/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./153") = 0 [pid 297] mkdir("./154", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 452 attached , child_tidptr=0x555565b1f650) = 156 [pid 452] set_robust_list(0x555565b1f660, 24) = 0 [pid 452] chdir("./154") = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 452] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 452] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 452] write(1, "executing program\n", 18executing program ) = 18 [ 27.564418][ T450] incfs: Error allocating mount info. -12 [ 27.570263][ T450] incfs: mount failed -12 [ 27.592485][ T451] incfs: Error allocating mount info. -12 [ 27.598259][ T451] incfs: mount failed -12 [pid 452] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 452] close(3) = -1 EBADF (Bad file descriptor) [pid 452] close(4) = -1 EBADF (Bad file descriptor) [pid 452] close(5) = -1 EBADF (Bad file descriptor) [pid 452] close(6) = -1 EBADF (Bad file descriptor) [pid 452] close(7) = -1 EBADF (Bad file descriptor) [pid 452] close(8) = -1 EBADF (Bad file descriptor) [pid 452] close(9) = -1 EBADF (Bad file descriptor) [pid 452] close(10) = -1 EBADF (Bad file descriptor) [pid 452] close(11) = -1 EBADF (Bad file descriptor) [pid 452] close(12) = -1 EBADF (Bad file descriptor) [pid 452] close(13) = -1 EBADF (Bad file descriptor) [pid 452] close(14) = -1 EBADF (Bad file descriptor) [pid 452] close(15) = -1 EBADF (Bad file descriptor) [pid 452] close(16) = -1 EBADF (Bad file descriptor) [pid 452] close(17) = -1 EBADF (Bad file descriptor) [pid 452] close(18) = -1 EBADF (Bad file descriptor) [pid 452] close(19) = -1 EBADF (Bad file descriptor) [pid 452] close(20) = -1 EBADF (Bad file descriptor) [pid 452] close(21) = -1 EBADF (Bad file descriptor) [pid 452] close(22) = -1 EBADF (Bad file descriptor) [pid 452] close(23) = -1 EBADF (Bad file descriptor) [pid 452] close(24) = -1 EBADF (Bad file descriptor) [pid 452] close(25) = -1 EBADF (Bad file descriptor) [pid 452] close(26) = -1 EBADF (Bad file descriptor) [pid 452] close(27) = -1 EBADF (Bad file descriptor) [pid 452] close(28) = -1 EBADF (Bad file descriptor) [pid 452] close(29) = -1 EBADF (Bad file descriptor) [pid 452] exit_group(0) = ? [pid 452] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./154/binderfs") = 0 [pid 297] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./154/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./154/cgroup.net") = 0 [pid 297] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./154/cgroup.cpu") = 0 [pid 297] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./154/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./154/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./154") = 0 [pid 297] mkdir("./155", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x555565b1f660, 24) = 0 [pid 453] chdir("./155" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 157 [pid 453] <... chdir resumed>) = 0 [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 453] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 453] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 [pid 453] symlink("/dev/binderfs", "./binderfs") = 0 [pid 453] write(1, "executing program\n", 18executing program ) = 18 [pid 453] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 453] close(3) = -1 EBADF (Bad file descriptor) [pid 453] close(4) = -1 EBADF (Bad file descriptor) [pid 453] close(5) = -1 EBADF (Bad file descriptor) [pid 453] close(6) = -1 EBADF (Bad file descriptor) [pid 453] close(7) = -1 EBADF (Bad file descriptor) [pid 453] close(8) = -1 EBADF (Bad file descriptor) [pid 453] close(9) = -1 EBADF (Bad file descriptor) [pid 453] close(10) = -1 EBADF (Bad file descriptor) [pid 453] close(11) = -1 EBADF (Bad file descriptor) [pid 453] close(12) = -1 EBADF (Bad file descriptor) [pid 453] close(13) = -1 EBADF (Bad file descriptor) [pid 453] close(14) = -1 EBADF (Bad file descriptor) [pid 453] close(15) = -1 EBADF (Bad file descriptor) [pid 453] close(16) = -1 EBADF (Bad file descriptor) [pid 453] close(17) = -1 EBADF (Bad file descriptor) [pid 453] close(18) = -1 EBADF (Bad file descriptor) [pid 453] close(19) = -1 EBADF (Bad file descriptor) [pid 453] close(20) = -1 EBADF (Bad file descriptor) [pid 453] close(21) = -1 EBADF (Bad file descriptor) [pid 453] close(22) = -1 EBADF (Bad file descriptor) [pid 453] close(23) = -1 EBADF (Bad file descriptor) [pid 453] close(24) = -1 EBADF (Bad file descriptor) [pid 453] close(25) = -1 EBADF (Bad file descriptor) [pid 453] close(26) = -1 EBADF (Bad file descriptor) [pid 453] close(27) = -1 EBADF (Bad file descriptor) [pid 453] close(28) = -1 EBADF (Bad file descriptor) [pid 453] close(29) = -1 EBADF (Bad file descriptor) [pid 453] exit_group(0) = ? [pid 453] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./155/binderfs") = 0 [pid 297] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./155/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./155/cgroup.net") = 0 [pid 297] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./155/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./155/cgroup.cpu") = 0 [pid 297] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./155/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./155/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./155") = 0 [pid 297] mkdir("./156", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 158 ./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x555565b1f660, 24) = 0 [pid 454] chdir("./156") = 0 [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 454] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 454] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 454] write(1, "executing program\n", 18) = 18 [ 27.622327][ T452] incfs: Error allocating mount info. -12 [ 27.628070][ T452] incfs: mount failed -12 [ 27.647723][ T453] incfs: Error allocating mount info. -12 [ 27.653534][ T453] incfs: mount failed -12 [pid 454] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 454] close(3) = -1 EBADF (Bad file descriptor) [pid 454] close(4) = -1 EBADF (Bad file descriptor) [pid 454] close(5) = -1 EBADF (Bad file descriptor) [pid 454] close(6) = -1 EBADF (Bad file descriptor) [pid 454] close(7) = -1 EBADF (Bad file descriptor) [pid 454] close(8) = -1 EBADF (Bad file descriptor) [pid 454] close(9) = -1 EBADF (Bad file descriptor) [pid 454] close(10) = -1 EBADF (Bad file descriptor) [pid 454] close(11) = -1 EBADF (Bad file descriptor) [pid 454] close(12) = -1 EBADF (Bad file descriptor) [pid 454] close(13) = -1 EBADF (Bad file descriptor) [pid 454] close(14) = -1 EBADF (Bad file descriptor) [pid 454] close(15) = -1 EBADF (Bad file descriptor) [pid 454] close(16) = -1 EBADF (Bad file descriptor) [pid 454] close(17) = -1 EBADF (Bad file descriptor) [pid 454] close(18) = -1 EBADF (Bad file descriptor) [pid 454] close(19) = -1 EBADF (Bad file descriptor) [pid 454] close(20) = -1 EBADF (Bad file descriptor) [pid 454] close(21) = -1 EBADF (Bad file descriptor) [pid 454] close(22) = -1 EBADF (Bad file descriptor) [pid 454] close(23) = -1 EBADF (Bad file descriptor) [pid 454] close(24) = -1 EBADF (Bad file descriptor) [pid 454] close(25) = -1 EBADF (Bad file descriptor) [pid 454] close(26) = -1 EBADF (Bad file descriptor) [pid 454] close(27) = -1 EBADF (Bad file descriptor) [pid 454] close(28) = -1 EBADF (Bad file descriptor) [pid 454] close(29) = -1 EBADF (Bad file descriptor) [pid 454] exit_group(0) = ? [pid 454] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./156/binderfs") = 0 [pid 297] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./156/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./156/cgroup.net") = 0 [pid 297] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./156/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./156/cgroup.cpu") = 0 [pid 297] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./156/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./156/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./156") = 0 [pid 297] mkdir("./157", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 159 ./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x555565b1f660, 24) = 0 [pid 455] chdir("./157") = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 455] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 455] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 455] close(3) = -1 EBADF (Bad file descriptor) [pid 455] close(4) = -1 EBADF (Bad file descriptor) [pid 455] close(5) = -1 EBADF (Bad file descriptor) [pid 455] close(6) = -1 EBADF (Bad file descriptor) [pid 455] close(7) = -1 EBADF (Bad file descriptor) [pid 455] close(8) = -1 EBADF (Bad file descriptor) [pid 455] close(9) = -1 EBADF (Bad file descriptor) [pid 455] close(10) = -1 EBADF (Bad file descriptor) [pid 455] close(11) = -1 EBADF (Bad file descriptor) [pid 455] close(12) = -1 EBADF (Bad file descriptor) [pid 455] close(13) = -1 EBADF (Bad file descriptor) [pid 455] close(14) = -1 EBADF (Bad file descriptor) [pid 455] close(15) = -1 EBADF (Bad file descriptor) [pid 455] close(16) = -1 EBADF (Bad file descriptor) [pid 455] close(17) = -1 EBADF (Bad file descriptor) [pid 455] close(18) = -1 EBADF (Bad file descriptor) [pid 455] close(19) = -1 EBADF (Bad file descriptor) [pid 455] close(20) = -1 EBADF (Bad file descriptor) [pid 455] close(21) = -1 EBADF (Bad file descriptor) [pid 455] close(22) = -1 EBADF (Bad file descriptor) [pid 455] close(23) = -1 EBADF (Bad file descriptor) [pid 455] close(24) = -1 EBADF (Bad file descriptor) [pid 455] close(25) = -1 EBADF (Bad file descriptor) [pid 455] close(26) = -1 EBADF (Bad file descriptor) [pid 455] close(27) = -1 EBADF (Bad file descriptor) [pid 455] close(28) = -1 EBADF (Bad file descriptor) [pid 455] close(29) = -1 EBADF (Bad file descriptor) [pid 455] exit_group(0) = ? [pid 455] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./157/binderfs") = 0 [pid 297] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./157/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./157/cgroup.net") = 0 [pid 297] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./157/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./157/cgroup.cpu") = 0 [pid 297] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./157/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./157/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./157") = 0 [pid 297] mkdir("./158", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 456 attached , child_tidptr=0x555565b1f650) = 160 [pid 456] set_robust_list(0x555565b1f660, 24) = 0 [pid 456] chdir("./158") = 0 [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 456] setpgid(0, 0) = 0 [pid 456] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 456] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 456] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 456] write(3, "1000", 4) = 4 [pid 456] close(3) = 0 [pid 456] symlink("/dev/binderfs", "./binderfs") = 0 [ 27.674792][ T454] incfs: Error allocating mount info. -12 [ 27.680582][ T454] incfs: mount failed -12 [ 27.700384][ T455] incfs: Error allocating mount info. -12 [ 27.706127][ T455] incfs: mount failed -12 executing program [pid 456] write(1, "executing program\n", 18) = 18 [pid 456] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 456] close(3) = -1 EBADF (Bad file descriptor) [pid 456] close(4) = -1 EBADF (Bad file descriptor) [pid 456] close(5) = -1 EBADF (Bad file descriptor) [pid 456] close(6) = -1 EBADF (Bad file descriptor) [pid 456] close(7) = -1 EBADF (Bad file descriptor) [pid 456] close(8) = -1 EBADF (Bad file descriptor) [pid 456] close(9) = -1 EBADF (Bad file descriptor) [pid 456] close(10) = -1 EBADF (Bad file descriptor) [pid 456] close(11) = -1 EBADF (Bad file descriptor) [pid 456] close(12) = -1 EBADF (Bad file descriptor) [pid 456] close(13) = -1 EBADF (Bad file descriptor) [pid 456] close(14) = -1 EBADF (Bad file descriptor) [pid 456] close(15) = -1 EBADF (Bad file descriptor) [pid 456] close(16) = -1 EBADF (Bad file descriptor) [pid 456] close(17) = -1 EBADF (Bad file descriptor) [pid 456] close(18) = -1 EBADF (Bad file descriptor) [pid 456] close(19) = -1 EBADF (Bad file descriptor) [pid 456] close(20) = -1 EBADF (Bad file descriptor) [pid 456] close(21) = -1 EBADF (Bad file descriptor) [pid 456] close(22) = -1 EBADF (Bad file descriptor) [pid 456] close(23) = -1 EBADF (Bad file descriptor) [pid 456] close(24) = -1 EBADF (Bad file descriptor) [pid 456] close(25) = -1 EBADF (Bad file descriptor) [pid 456] close(26) = -1 EBADF (Bad file descriptor) [pid 456] close(27) = -1 EBADF (Bad file descriptor) [pid 456] close(28) = -1 EBADF (Bad file descriptor) [pid 456] close(29) = -1 EBADF (Bad file descriptor) [pid 456] exit_group(0) = ? [pid 456] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./158/binderfs") = 0 [pid 297] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./158/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./158/cgroup.net") = 0 [pid 297] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./158/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./158/cgroup.cpu") = 0 [pid 297] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./158/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./158/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./158") = 0 [pid 297] mkdir("./159", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 457 attached , child_tidptr=0x555565b1f650) = 161 [pid 457] set_robust_list(0x555565b1f660, 24) = 0 [pid 457] chdir("./159") = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 457] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 457] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4executing program ) = 4 [pid 457] close(3) = 0 [pid 457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 457] write(1, "executing program\n", 18) = 18 [pid 457] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 457] close(3) = -1 EBADF (Bad file descriptor) [pid 457] close(4) = -1 EBADF (Bad file descriptor) [pid 457] close(5) = -1 EBADF (Bad file descriptor) [pid 457] close(6) = -1 EBADF (Bad file descriptor) [pid 457] close(7) = -1 EBADF (Bad file descriptor) [pid 457] close(8) = -1 EBADF (Bad file descriptor) [pid 457] close(9) = -1 EBADF (Bad file descriptor) [pid 457] close(10) = -1 EBADF (Bad file descriptor) [pid 457] close(11) = -1 EBADF (Bad file descriptor) [pid 457] close(12) = -1 EBADF (Bad file descriptor) [pid 457] close(13) = -1 EBADF (Bad file descriptor) [pid 457] close(14) = -1 EBADF (Bad file descriptor) [pid 457] close(15) = -1 EBADF (Bad file descriptor) [pid 457] close(16) = -1 EBADF (Bad file descriptor) [pid 457] close(17) = -1 EBADF (Bad file descriptor) [pid 457] close(18) = -1 EBADF (Bad file descriptor) [pid 457] close(19) = -1 EBADF (Bad file descriptor) [pid 457] close(20) = -1 EBADF (Bad file descriptor) [pid 457] close(21) = -1 EBADF (Bad file descriptor) [pid 457] close(22) = -1 EBADF (Bad file descriptor) [pid 457] close(23) = -1 EBADF (Bad file descriptor) [pid 457] close(24) = -1 EBADF (Bad file descriptor) [pid 457] close(25) = -1 EBADF (Bad file descriptor) [pid 457] close(26) = -1 EBADF (Bad file descriptor) [pid 457] close(27) = -1 EBADF (Bad file descriptor) [pid 457] close(28) = -1 EBADF (Bad file descriptor) [pid 457] close(29) = -1 EBADF (Bad file descriptor) [pid 457] exit_group(0) = ? [pid 457] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./159/binderfs") = 0 [pid 297] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./159/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./159/cgroup.net") = 0 [pid 297] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./159/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./159/cgroup.cpu") = 0 [pid 297] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./159/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./159/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./159") = 0 [pid 297] mkdir("./160", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 458 attached [pid 458] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 162 [pid 458] chdir("./160") = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 458] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 458] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 executing program [pid 458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 458] write(1, "executing program\n", 18) = 18 [ 27.727870][ T456] incfs: Error allocating mount info. -12 [ 27.733683][ T456] incfs: mount failed -12 [ 27.754837][ T457] incfs: Error allocating mount info. -12 [ 27.760688][ T457] incfs: mount failed -12 [pid 458] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 458] close(3) = -1 EBADF (Bad file descriptor) [pid 458] close(4) = -1 EBADF (Bad file descriptor) [pid 458] close(5) = -1 EBADF (Bad file descriptor) [pid 458] close(6) = -1 EBADF (Bad file descriptor) [pid 458] close(7) = -1 EBADF (Bad file descriptor) [pid 458] close(8) = -1 EBADF (Bad file descriptor) [pid 458] close(9) = -1 EBADF (Bad file descriptor) [pid 458] close(10) = -1 EBADF (Bad file descriptor) [pid 458] close(11) = -1 EBADF (Bad file descriptor) [pid 458] close(12) = -1 EBADF (Bad file descriptor) [pid 458] close(13) = -1 EBADF (Bad file descriptor) [pid 458] close(14) = -1 EBADF (Bad file descriptor) [pid 458] close(15) = -1 EBADF (Bad file descriptor) [pid 458] close(16) = -1 EBADF (Bad file descriptor) [pid 458] close(17) = -1 EBADF (Bad file descriptor) [pid 458] close(18) = -1 EBADF (Bad file descriptor) [pid 458] close(19) = -1 EBADF (Bad file descriptor) [pid 458] close(20) = -1 EBADF (Bad file descriptor) [pid 458] close(21) = -1 EBADF (Bad file descriptor) [pid 458] close(22) = -1 EBADF (Bad file descriptor) [pid 458] close(23) = -1 EBADF (Bad file descriptor) [pid 458] close(24) = -1 EBADF (Bad file descriptor) [pid 458] close(25) = -1 EBADF (Bad file descriptor) [pid 458] close(26) = -1 EBADF (Bad file descriptor) [pid 458] close(27) = -1 EBADF (Bad file descriptor) [pid 458] close(28) = -1 EBADF (Bad file descriptor) [pid 458] close(29) = -1 EBADF (Bad file descriptor) [pid 458] exit_group(0) = ? [pid 458] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./160/binderfs") = 0 [pid 297] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./160/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./160/cgroup.net") = 0 [pid 297] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./160/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./160/cgroup.cpu") = 0 [pid 297] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./160/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./160/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./160") = 0 [pid 297] mkdir("./161", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 163 ./strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x555565b1f660, 24) = 0 [pid 459] chdir("./161") = 0 [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 459] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 459] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 459] write(3, "1000", 4) = 4 [pid 459] close(3) = 0 [pid 459] symlink("/dev/binderfs", "./binderfs") = 0 [pid 459] write(1, "executing program\n", 18executing program ) = 18 [pid 459] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 459] close(3) = -1 EBADF (Bad file descriptor) [pid 459] close(4) = -1 EBADF (Bad file descriptor) [pid 459] close(5) = -1 EBADF (Bad file descriptor) [pid 459] close(6) = -1 EBADF (Bad file descriptor) [pid 459] close(7) = -1 EBADF (Bad file descriptor) [pid 459] close(8) = -1 EBADF (Bad file descriptor) [pid 459] close(9) = -1 EBADF (Bad file descriptor) [pid 459] close(10) = -1 EBADF (Bad file descriptor) [pid 459] close(11) = -1 EBADF (Bad file descriptor) [pid 459] close(12) = -1 EBADF (Bad file descriptor) [pid 459] close(13) = -1 EBADF (Bad file descriptor) [pid 459] close(14) = -1 EBADF (Bad file descriptor) [pid 459] close(15) = -1 EBADF (Bad file descriptor) [pid 459] close(16) = -1 EBADF (Bad file descriptor) [pid 459] close(17) = -1 EBADF (Bad file descriptor) [pid 459] close(18) = -1 EBADF (Bad file descriptor) [pid 459] close(19) = -1 EBADF (Bad file descriptor) [pid 459] close(20) = -1 EBADF (Bad file descriptor) [pid 459] close(21) = -1 EBADF (Bad file descriptor) [pid 459] close(22) = -1 EBADF (Bad file descriptor) [pid 459] close(23) = -1 EBADF (Bad file descriptor) [pid 459] close(24) = -1 EBADF (Bad file descriptor) [pid 459] close(25) = -1 EBADF (Bad file descriptor) [pid 459] close(26) = -1 EBADF (Bad file descriptor) [pid 459] close(27) = -1 EBADF (Bad file descriptor) [pid 459] close(28) = -1 EBADF (Bad file descriptor) [pid 459] close(29) = -1 EBADF (Bad file descriptor) [pid 459] exit_group(0) = ? [pid 459] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./161/binderfs") = 0 [pid 297] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./161/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./161/cgroup.net") = 0 [pid 297] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./161/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./161/cgroup.cpu") = 0 [pid 297] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./161/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./161/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./161") = 0 [pid 297] mkdir("./162", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x555565b1f660, 24) = 0 [pid 460] chdir("./162") = 0 [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 460] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 164 [pid 460] <... symlink resumed>) = 0 [pid 460] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 460] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 460] write(1, "executing program\n", 18) = 18 [ 27.783654][ T458] incfs: Error allocating mount info. -12 [ 27.789486][ T458] incfs: mount failed -12 [ 27.812237][ T459] incfs: Error allocating mount info. -12 [ 27.817985][ T459] incfs: mount failed -12 [pid 460] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 460] close(3) = -1 EBADF (Bad file descriptor) [pid 460] close(4) = -1 EBADF (Bad file descriptor) [pid 460] close(5) = -1 EBADF (Bad file descriptor) [pid 460] close(6) = -1 EBADF (Bad file descriptor) [pid 460] close(7) = -1 EBADF (Bad file descriptor) [pid 460] close(8) = -1 EBADF (Bad file descriptor) [pid 460] close(9) = -1 EBADF (Bad file descriptor) [pid 460] close(10) = -1 EBADF (Bad file descriptor) [pid 460] close(11) = -1 EBADF (Bad file descriptor) [pid 460] close(12) = -1 EBADF (Bad file descriptor) [pid 460] close(13) = -1 EBADF (Bad file descriptor) [pid 460] close(14) = -1 EBADF (Bad file descriptor) [pid 460] close(15) = -1 EBADF (Bad file descriptor) [pid 460] close(16) = -1 EBADF (Bad file descriptor) [pid 460] close(17) = -1 EBADF (Bad file descriptor) [pid 460] close(18) = -1 EBADF (Bad file descriptor) [pid 460] close(19) = -1 EBADF (Bad file descriptor) [pid 460] close(20) = -1 EBADF (Bad file descriptor) [pid 460] close(21) = -1 EBADF (Bad file descriptor) [pid 460] close(22) = -1 EBADF (Bad file descriptor) [pid 460] close(23) = -1 EBADF (Bad file descriptor) [pid 460] close(24) = -1 EBADF (Bad file descriptor) [pid 460] close(25) = -1 EBADF (Bad file descriptor) [pid 460] close(26) = -1 EBADF (Bad file descriptor) [pid 460] close(27) = -1 EBADF (Bad file descriptor) [pid 460] close(28) = -1 EBADF (Bad file descriptor) [pid 460] close(29) = -1 EBADF (Bad file descriptor) [pid 460] exit_group(0) = ? [pid 460] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./162/binderfs") = 0 [pid 297] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./162/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./162/cgroup.net") = 0 [pid 297] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./162/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./162/cgroup.cpu") = 0 [pid 297] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./162/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./162/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./162") = 0 [pid 297] mkdir("./163", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 165 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x555565b1f660, 24) = 0 [pid 461] chdir("./163") = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 461] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 461] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 461] write(1, "executing program\n", 18) = 18 [pid 461] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 461] close(3) = -1 EBADF (Bad file descriptor) [pid 461] close(4) = -1 EBADF (Bad file descriptor) [pid 461] close(5) = -1 EBADF (Bad file descriptor) [pid 461] close(6) = -1 EBADF (Bad file descriptor) [pid 461] close(7) = -1 EBADF (Bad file descriptor) [pid 461] close(8) = -1 EBADF (Bad file descriptor) [pid 461] close(9) = -1 EBADF (Bad file descriptor) [pid 461] close(10) = -1 EBADF (Bad file descriptor) [pid 461] close(11) = -1 EBADF (Bad file descriptor) [pid 461] close(12) = -1 EBADF (Bad file descriptor) [pid 461] close(13) = -1 EBADF (Bad file descriptor) [pid 461] close(14) = -1 EBADF (Bad file descriptor) [pid 461] close(15) = -1 EBADF (Bad file descriptor) [pid 461] close(16) = -1 EBADF (Bad file descriptor) [pid 461] close(17) = -1 EBADF (Bad file descriptor) [pid 461] close(18) = -1 EBADF (Bad file descriptor) [pid 461] close(19) = -1 EBADF (Bad file descriptor) [pid 461] close(20) = -1 EBADF (Bad file descriptor) [pid 461] close(21) = -1 EBADF (Bad file descriptor) [pid 461] close(22) = -1 EBADF (Bad file descriptor) [pid 461] close(23) = -1 EBADF (Bad file descriptor) [pid 461] close(24) = -1 EBADF (Bad file descriptor) [pid 461] close(25) = -1 EBADF (Bad file descriptor) [pid 461] close(26) = -1 EBADF (Bad file descriptor) [pid 461] close(27) = -1 EBADF (Bad file descriptor) [pid 461] close(28) = -1 EBADF (Bad file descriptor) [pid 461] close(29) = -1 EBADF (Bad file descriptor) [pid 461] exit_group(0) = ? [pid 461] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./163/binderfs") = 0 [pid 297] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./163/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./163/cgroup.net") = 0 [pid 297] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./163/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./163/cgroup.cpu") = 0 [pid 297] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./163/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./163/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./163") = 0 [pid 297] mkdir("./164", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 166 ./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x555565b1f660, 24) = 0 [pid 462] chdir("./164") = 0 [pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 462] setpgid(0, 0) = 0 [pid 462] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 462] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 462] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 462] write(3, "1000", 4) = 4 [pid 462] close(3) = 0 [pid 462] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 462] write(1, "executing program\n", 18) = 18 [ 27.842733][ T460] incfs: Error allocating mount info. -12 [ 27.848553][ T460] incfs: mount failed -12 [ 27.871076][ T461] incfs: Error allocating mount info. -12 [ 27.876807][ T461] incfs: mount failed -12 [pid 462] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 462] close(3) = -1 EBADF (Bad file descriptor) [pid 462] close(4) = -1 EBADF (Bad file descriptor) [pid 462] close(5) = -1 EBADF (Bad file descriptor) [pid 462] close(6) = -1 EBADF (Bad file descriptor) [pid 462] close(7) = -1 EBADF (Bad file descriptor) [pid 462] close(8) = -1 EBADF (Bad file descriptor) [pid 462] close(9) = -1 EBADF (Bad file descriptor) [pid 462] close(10) = -1 EBADF (Bad file descriptor) [pid 462] close(11) = -1 EBADF (Bad file descriptor) [pid 462] close(12) = -1 EBADF (Bad file descriptor) [pid 462] close(13) = -1 EBADF (Bad file descriptor) [pid 462] close(14) = -1 EBADF (Bad file descriptor) [pid 462] close(15) = -1 EBADF (Bad file descriptor) [pid 462] close(16) = -1 EBADF (Bad file descriptor) [pid 462] close(17) = -1 EBADF (Bad file descriptor) [pid 462] close(18) = -1 EBADF (Bad file descriptor) [pid 462] close(19) = -1 EBADF (Bad file descriptor) [pid 462] close(20) = -1 EBADF (Bad file descriptor) [pid 462] close(21) = -1 EBADF (Bad file descriptor) [pid 462] close(22) = -1 EBADF (Bad file descriptor) [pid 462] close(23) = -1 EBADF (Bad file descriptor) [pid 462] close(24) = -1 EBADF (Bad file descriptor) [pid 462] close(25) = -1 EBADF (Bad file descriptor) [pid 462] close(26) = -1 EBADF (Bad file descriptor) [pid 462] close(27) = -1 EBADF (Bad file descriptor) [pid 462] close(28) = -1 EBADF (Bad file descriptor) [pid 462] close(29) = -1 EBADF (Bad file descriptor) [pid 462] exit_group(0) = ? [pid 462] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./164/binderfs") = 0 [pid 297] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./164/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./164/cgroup.net") = 0 [pid 297] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./164/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./164/cgroup.cpu") = 0 [pid 297] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./164/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./164/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./164") = 0 [pid 297] mkdir("./165", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 463 attached [pid 463] set_robust_list(0x555565b1f660, 24) = 0 [pid 463] chdir("./165") = 0 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0) = 0 [pid 463] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 167 [pid 463] <... symlink resumed>) = 0 [pid 463] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 463] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 463] write(3, "1000", 4) = 4 [pid 463] close(3) = 0 [pid 463] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 463] write(1, "executing program\n", 18) = 18 [pid 463] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 463] close(3) = -1 EBADF (Bad file descriptor) [pid 463] close(4) = -1 EBADF (Bad file descriptor) [pid 463] close(5) = -1 EBADF (Bad file descriptor) [pid 463] close(6) = -1 EBADF (Bad file descriptor) [pid 463] close(7) = -1 EBADF (Bad file descriptor) [pid 463] close(8) = -1 EBADF (Bad file descriptor) [pid 463] close(9) = -1 EBADF (Bad file descriptor) [pid 463] close(10) = -1 EBADF (Bad file descriptor) [pid 463] close(11) = -1 EBADF (Bad file descriptor) [pid 463] close(12) = -1 EBADF (Bad file descriptor) [pid 463] close(13) = -1 EBADF (Bad file descriptor) [pid 463] close(14) = -1 EBADF (Bad file descriptor) [pid 463] close(15) = -1 EBADF (Bad file descriptor) [pid 463] close(16) = -1 EBADF (Bad file descriptor) [pid 463] close(17) = -1 EBADF (Bad file descriptor) [pid 463] close(18) = -1 EBADF (Bad file descriptor) [pid 463] close(19) = -1 EBADF (Bad file descriptor) [pid 463] close(20) = -1 EBADF (Bad file descriptor) [pid 463] close(21) = -1 EBADF (Bad file descriptor) [pid 463] close(22) = -1 EBADF (Bad file descriptor) [pid 463] close(23) = -1 EBADF (Bad file descriptor) [pid 463] close(24) = -1 EBADF (Bad file descriptor) [pid 463] close(25) = -1 EBADF (Bad file descriptor) [pid 463] close(26) = -1 EBADF (Bad file descriptor) [pid 463] close(27) = -1 EBADF (Bad file descriptor) [pid 463] close(28) = -1 EBADF (Bad file descriptor) [pid 463] close(29) = -1 EBADF (Bad file descriptor) [pid 463] exit_group(0) = ? [pid 463] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./165/binderfs") = 0 [pid 297] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./165/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./165/cgroup.net") = 0 [pid 297] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./165/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./165/cgroup.cpu") = 0 [pid 297] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./165/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./165/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./165") = 0 [pid 297] mkdir("./166", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 168 ./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x555565b1f660, 24) = 0 [pid 464] chdir("./166") = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 464] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 464] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 464] write(1, "executing program\n", 18executing program [ 27.898956][ T462] incfs: Error allocating mount info. -12 [ 27.904736][ T462] incfs: mount failed -12 [ 27.926509][ T463] incfs: Error allocating mount info. -12 [ 27.932286][ T463] incfs: mount failed -12 ) = 18 [pid 464] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 464] close(3) = -1 EBADF (Bad file descriptor) [pid 464] close(4) = -1 EBADF (Bad file descriptor) [pid 464] close(5) = -1 EBADF (Bad file descriptor) [pid 464] close(6) = -1 EBADF (Bad file descriptor) [pid 464] close(7) = -1 EBADF (Bad file descriptor) [pid 464] close(8) = -1 EBADF (Bad file descriptor) [pid 464] close(9) = -1 EBADF (Bad file descriptor) [pid 464] close(10) = -1 EBADF (Bad file descriptor) [pid 464] close(11) = -1 EBADF (Bad file descriptor) [pid 464] close(12) = -1 EBADF (Bad file descriptor) [pid 464] close(13) = -1 EBADF (Bad file descriptor) [pid 464] close(14) = -1 EBADF (Bad file descriptor) [pid 464] close(15) = -1 EBADF (Bad file descriptor) [pid 464] close(16) = -1 EBADF (Bad file descriptor) [pid 464] close(17) = -1 EBADF (Bad file descriptor) [pid 464] close(18) = -1 EBADF (Bad file descriptor) [pid 464] close(19) = -1 EBADF (Bad file descriptor) [pid 464] close(20) = -1 EBADF (Bad file descriptor) [pid 464] close(21) = -1 EBADF (Bad file descriptor) [pid 464] close(22) = -1 EBADF (Bad file descriptor) [pid 464] close(23) = -1 EBADF (Bad file descriptor) [pid 464] close(24) = -1 EBADF (Bad file descriptor) [pid 464] close(25) = -1 EBADF (Bad file descriptor) [pid 464] close(26) = -1 EBADF (Bad file descriptor) [pid 464] close(27) = -1 EBADF (Bad file descriptor) [pid 464] close(28) = -1 EBADF (Bad file descriptor) [pid 464] close(29) = -1 EBADF (Bad file descriptor) [pid 464] exit_group(0) = ? [pid 464] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./166/binderfs") = 0 [pid 297] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./166/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./166/cgroup.net") = 0 [pid 297] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./166/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./166/cgroup.cpu") = 0 [pid 297] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./166/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./166/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./166") = 0 [pid 297] mkdir("./167", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 465 attached , child_tidptr=0x555565b1f650) = 169 [pid 465] set_robust_list(0x555565b1f660, 24) = 0 [pid 465] chdir("./167") = 0 [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 465] setpgid(0, 0) = 0 [pid 465] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 465] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 465] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 465] write(3, "1000", 4) = 4 [pid 465] close(3) = 0 [pid 465] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 465] write(1, "executing program\n", 18) = 18 [pid 465] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 465] close(3) = -1 EBADF (Bad file descriptor) [pid 465] close(4) = -1 EBADF (Bad file descriptor) [pid 465] close(5) = -1 EBADF (Bad file descriptor) [pid 465] close(6) = -1 EBADF (Bad file descriptor) [pid 465] close(7) = -1 EBADF (Bad file descriptor) [pid 465] close(8) = -1 EBADF (Bad file descriptor) [pid 465] close(9) = -1 EBADF (Bad file descriptor) [pid 465] close(10) = -1 EBADF (Bad file descriptor) [pid 465] close(11) = -1 EBADF (Bad file descriptor) [pid 465] close(12) = -1 EBADF (Bad file descriptor) [pid 465] close(13) = -1 EBADF (Bad file descriptor) [pid 465] close(14) = -1 EBADF (Bad file descriptor) [pid 465] close(15) = -1 EBADF (Bad file descriptor) [pid 465] close(16) = -1 EBADF (Bad file descriptor) [pid 465] close(17) = -1 EBADF (Bad file descriptor) [pid 465] close(18) = -1 EBADF (Bad file descriptor) [pid 465] close(19) = -1 EBADF (Bad file descriptor) [pid 465] close(20) = -1 EBADF (Bad file descriptor) [pid 465] close(21) = -1 EBADF (Bad file descriptor) [pid 465] close(22) = -1 EBADF (Bad file descriptor) [pid 465] close(23) = -1 EBADF (Bad file descriptor) [pid 465] close(24) = -1 EBADF (Bad file descriptor) [pid 465] close(25) = -1 EBADF (Bad file descriptor) [pid 465] close(26) = -1 EBADF (Bad file descriptor) [pid 465] close(27) = -1 EBADF (Bad file descriptor) [pid 465] close(28) = -1 EBADF (Bad file descriptor) [pid 465] close(29) = -1 EBADF (Bad file descriptor) [pid 465] exit_group(0) = ? [pid 465] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./167/binderfs") = 0 [pid 297] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./167/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./167/cgroup.net") = 0 [pid 297] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./167/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./167/cgroup.cpu") = 0 [pid 297] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./167/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./167/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./167") = 0 [pid 297] mkdir("./168", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 170 ./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x555565b1f660, 24) = 0 [pid 466] chdir("./168") = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 466] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 466] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 466] write(1, "executing program\n", 18) = 18 [ 27.956288][ T464] incfs: Error allocating mount info. -12 [ 27.962134][ T464] incfs: mount failed -12 [ 27.983124][ T465] incfs: Error allocating mount info. -12 [ 27.988883][ T465] incfs: mount failed -12 [pid 466] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 466] close(3) = -1 EBADF (Bad file descriptor) [pid 466] close(4) = -1 EBADF (Bad file descriptor) [pid 466] close(5) = -1 EBADF (Bad file descriptor) [pid 466] close(6) = -1 EBADF (Bad file descriptor) [pid 466] close(7) = -1 EBADF (Bad file descriptor) [pid 466] close(8) = -1 EBADF (Bad file descriptor) [pid 466] close(9) = -1 EBADF (Bad file descriptor) [pid 466] close(10) = -1 EBADF (Bad file descriptor) [pid 466] close(11) = -1 EBADF (Bad file descriptor) [pid 466] close(12) = -1 EBADF (Bad file descriptor) [pid 466] close(13) = -1 EBADF (Bad file descriptor) [pid 466] close(14) = -1 EBADF (Bad file descriptor) [pid 466] close(15) = -1 EBADF (Bad file descriptor) [pid 466] close(16) = -1 EBADF (Bad file descriptor) [pid 466] close(17) = -1 EBADF (Bad file descriptor) [pid 466] close(18) = -1 EBADF (Bad file descriptor) [pid 466] close(19) = -1 EBADF (Bad file descriptor) [pid 466] close(20) = -1 EBADF (Bad file descriptor) [pid 466] close(21) = -1 EBADF (Bad file descriptor) [pid 466] close(22) = -1 EBADF (Bad file descriptor) [pid 466] close(23) = -1 EBADF (Bad file descriptor) [pid 466] close(24) = -1 EBADF (Bad file descriptor) [pid 466] close(25) = -1 EBADF (Bad file descriptor) [pid 466] close(26) = -1 EBADF (Bad file descriptor) [pid 466] close(27) = -1 EBADF (Bad file descriptor) [pid 466] close(28) = -1 EBADF (Bad file descriptor) [pid 466] close(29) = -1 EBADF (Bad file descriptor) [pid 466] exit_group(0) = ? [pid 466] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./168/binderfs") = 0 [pid 297] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./168/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./168/cgroup.net") = 0 [pid 297] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./168/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./168/cgroup.cpu") = 0 [pid 297] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./168/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./168/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./168") = 0 [pid 297] mkdir("./169", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x555565b1f660, 24) = 0 [pid 467] chdir("./169" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 171 [pid 467] <... chdir resumed>) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 467] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 467] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 467] write(1, "executing program\n", 18) = 18 [pid 467] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 467] close(3) = -1 EBADF (Bad file descriptor) [pid 467] close(4) = -1 EBADF (Bad file descriptor) [pid 467] close(5) = -1 EBADF (Bad file descriptor) [pid 467] close(6) = -1 EBADF (Bad file descriptor) [pid 467] close(7) = -1 EBADF (Bad file descriptor) [pid 467] close(8) = -1 EBADF (Bad file descriptor) [pid 467] close(9) = -1 EBADF (Bad file descriptor) [pid 467] close(10) = -1 EBADF (Bad file descriptor) [pid 467] close(11) = -1 EBADF (Bad file descriptor) [pid 467] close(12) = -1 EBADF (Bad file descriptor) [pid 467] close(13) = -1 EBADF (Bad file descriptor) [pid 467] close(14) = -1 EBADF (Bad file descriptor) [pid 467] close(15) = -1 EBADF (Bad file descriptor) [pid 467] close(16) = -1 EBADF (Bad file descriptor) [pid 467] close(17) = -1 EBADF (Bad file descriptor) [pid 467] close(18) = -1 EBADF (Bad file descriptor) [pid 467] close(19) = -1 EBADF (Bad file descriptor) [pid 467] close(20) = -1 EBADF (Bad file descriptor) [pid 467] close(21) = -1 EBADF (Bad file descriptor) [pid 467] close(22) = -1 EBADF (Bad file descriptor) [pid 467] close(23) = -1 EBADF (Bad file descriptor) [pid 467] close(24) = -1 EBADF (Bad file descriptor) [pid 467] close(25) = -1 EBADF (Bad file descriptor) [pid 467] close(26) = -1 EBADF (Bad file descriptor) [pid 467] close(27) = -1 EBADF (Bad file descriptor) [pid 467] close(28) = -1 EBADF (Bad file descriptor) [pid 467] close(29) = -1 EBADF (Bad file descriptor) [pid 467] exit_group(0) = ? [pid 467] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./169/binderfs") = 0 [pid 297] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./169/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./169/cgroup.net") = 0 [pid 297] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./169/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./169/cgroup.cpu") = 0 [pid 297] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./169/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./169/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./169") = 0 [pid 297] mkdir("./170", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 468 attached , child_tidptr=0x555565b1f650) = 172 [pid 468] set_robust_list(0x555565b1f660, 24) = 0 [pid 468] chdir("./170") = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 468] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 468] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 468] write(1, "executing program\n", 18executing program ) = 18 [ 28.007965][ T466] incfs: Error allocating mount info. -12 [ 28.013753][ T466] incfs: mount failed -12 [ 28.033381][ T467] incfs: Error allocating mount info. -12 [ 28.039170][ T467] incfs: mount failed -12 [pid 468] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 468] close(3) = -1 EBADF (Bad file descriptor) [pid 468] close(4) = -1 EBADF (Bad file descriptor) [pid 468] close(5) = -1 EBADF (Bad file descriptor) [pid 468] close(6) = -1 EBADF (Bad file descriptor) [pid 468] close(7) = -1 EBADF (Bad file descriptor) [pid 468] close(8) = -1 EBADF (Bad file descriptor) [pid 468] close(9) = -1 EBADF (Bad file descriptor) [pid 468] close(10) = -1 EBADF (Bad file descriptor) [pid 468] close(11) = -1 EBADF (Bad file descriptor) [pid 468] close(12) = -1 EBADF (Bad file descriptor) [pid 468] close(13) = -1 EBADF (Bad file descriptor) [pid 468] close(14) = -1 EBADF (Bad file descriptor) [pid 468] close(15) = -1 EBADF (Bad file descriptor) [pid 468] close(16) = -1 EBADF (Bad file descriptor) [pid 468] close(17) = -1 EBADF (Bad file descriptor) [pid 468] close(18) = -1 EBADF (Bad file descriptor) [pid 468] close(19) = -1 EBADF (Bad file descriptor) [pid 468] close(20) = -1 EBADF (Bad file descriptor) [pid 468] close(21) = -1 EBADF (Bad file descriptor) [pid 468] close(22) = -1 EBADF (Bad file descriptor) [pid 468] close(23) = -1 EBADF (Bad file descriptor) [pid 468] close(24) = -1 EBADF (Bad file descriptor) [pid 468] close(25) = -1 EBADF (Bad file descriptor) [pid 468] close(26) = -1 EBADF (Bad file descriptor) [pid 468] close(27) = -1 EBADF (Bad file descriptor) [pid 468] close(28) = -1 EBADF (Bad file descriptor) [pid 468] close(29) = -1 EBADF (Bad file descriptor) [pid 468] exit_group(0) = ? [pid 468] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./170/binderfs") = 0 [pid 297] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./170/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./170/cgroup.net") = 0 [pid 297] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./170/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./170/cgroup.cpu") = 0 [pid 297] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./170/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./170/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./170") = 0 [pid 297] mkdir("./171", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 469 attached , child_tidptr=0x555565b1f650) = 173 [pid 469] set_robust_list(0x555565b1f660, 24) = 0 [pid 469] chdir("./171") = 0 [pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 469] setpgid(0, 0) = 0 [pid 469] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 469] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 469] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 469] write(3, "1000", 4) = 4 [pid 469] close(3) = 0 [pid 469] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 469] write(1, "executing program\n", 18) = 18 [pid 469] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 469] close(3) = -1 EBADF (Bad file descriptor) [pid 469] close(4) = -1 EBADF (Bad file descriptor) [pid 469] close(5) = -1 EBADF (Bad file descriptor) [pid 469] close(6) = -1 EBADF (Bad file descriptor) [pid 469] close(7) = -1 EBADF (Bad file descriptor) [pid 469] close(8) = -1 EBADF (Bad file descriptor) [pid 469] close(9) = -1 EBADF (Bad file descriptor) [pid 469] close(10) = -1 EBADF (Bad file descriptor) [pid 469] close(11) = -1 EBADF (Bad file descriptor) [pid 469] close(12) = -1 EBADF (Bad file descriptor) [pid 469] close(13) = -1 EBADF (Bad file descriptor) [pid 469] close(14) = -1 EBADF (Bad file descriptor) [pid 469] close(15) = -1 EBADF (Bad file descriptor) [pid 469] close(16) = -1 EBADF (Bad file descriptor) [pid 469] close(17) = -1 EBADF (Bad file descriptor) [pid 469] close(18) = -1 EBADF (Bad file descriptor) [pid 469] close(19) = -1 EBADF (Bad file descriptor) [pid 469] close(20) = -1 EBADF (Bad file descriptor) [pid 469] close(21) = -1 EBADF (Bad file descriptor) [pid 469] close(22) = -1 EBADF (Bad file descriptor) [pid 469] close(23) = -1 EBADF (Bad file descriptor) [pid 469] close(24) = -1 EBADF (Bad file descriptor) [pid 469] close(25) = -1 EBADF (Bad file descriptor) [pid 469] close(26) = -1 EBADF (Bad file descriptor) [pid 469] close(27) = -1 EBADF (Bad file descriptor) [pid 469] close(28) = -1 EBADF (Bad file descriptor) [pid 469] close(29) = -1 EBADF (Bad file descriptor) [pid 469] exit_group(0) = ? [pid 469] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./171/binderfs") = 0 [pid 297] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./171/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./171/cgroup.net") = 0 [pid 297] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./171/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./171/cgroup.cpu") = 0 [pid 297] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./171/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./171/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./171") = 0 [pid 297] mkdir("./172", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 174 ./strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x555565b1f660, 24) = 0 [pid 470] chdir("./172") = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 470] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 470] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 470] write(1, "executing program\n", 18) = 18 [ 28.059625][ T468] incfs: Error allocating mount info. -12 [ 28.065425][ T468] incfs: mount failed -12 [ 28.085453][ T469] incfs: Error allocating mount info. -12 [ 28.091229][ T469] incfs: mount failed -12 [pid 470] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 470] close(3) = -1 EBADF (Bad file descriptor) [pid 470] close(4) = -1 EBADF (Bad file descriptor) [pid 470] close(5) = -1 EBADF (Bad file descriptor) [pid 470] close(6) = -1 EBADF (Bad file descriptor) [pid 470] close(7) = -1 EBADF (Bad file descriptor) [pid 470] close(8) = -1 EBADF (Bad file descriptor) [pid 470] close(9) = -1 EBADF (Bad file descriptor) [pid 470] close(10) = -1 EBADF (Bad file descriptor) [pid 470] close(11) = -1 EBADF (Bad file descriptor) [pid 470] close(12) = -1 EBADF (Bad file descriptor) [pid 470] close(13) = -1 EBADF (Bad file descriptor) [pid 470] close(14) = -1 EBADF (Bad file descriptor) [pid 470] close(15) = -1 EBADF (Bad file descriptor) [pid 470] close(16) = -1 EBADF (Bad file descriptor) [pid 470] close(17) = -1 EBADF (Bad file descriptor) [pid 470] close(18) = -1 EBADF (Bad file descriptor) [pid 470] close(19) = -1 EBADF (Bad file descriptor) [pid 470] close(20) = -1 EBADF (Bad file descriptor) [pid 470] close(21) = -1 EBADF (Bad file descriptor) [pid 470] close(22) = -1 EBADF (Bad file descriptor) [pid 470] close(23) = -1 EBADF (Bad file descriptor) [pid 470] close(24) = -1 EBADF (Bad file descriptor) [pid 470] close(25) = -1 EBADF (Bad file descriptor) [pid 470] close(26) = -1 EBADF (Bad file descriptor) [pid 470] close(27) = -1 EBADF (Bad file descriptor) [pid 470] close(28) = -1 EBADF (Bad file descriptor) [pid 470] close(29) = -1 EBADF (Bad file descriptor) [pid 470] exit_group(0) = ? [pid 470] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./172/binderfs") = 0 [pid 297] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./172/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./172/cgroup.net") = 0 [pid 297] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./172/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./172/cgroup.cpu") = 0 [pid 297] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./172/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./172/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./172") = 0 [pid 297] mkdir("./173", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 175 ./strace-static-x86_64: Process 471 attached [pid 471] set_robust_list(0x555565b1f660, 24) = 0 [pid 471] chdir("./173") = 0 [pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 471] setpgid(0, 0) = 0 [pid 471] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 471] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 471] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 471] write(3, "1000", 4) = 4 [pid 471] close(3) = 0 [pid 471] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 471] write(1, "executing program\n", 18) = 18 [pid 471] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 471] close(3) = -1 EBADF (Bad file descriptor) [pid 471] close(4) = -1 EBADF (Bad file descriptor) [pid 471] close(5) = -1 EBADF (Bad file descriptor) [pid 471] close(6) = -1 EBADF (Bad file descriptor) [pid 471] close(7) = -1 EBADF (Bad file descriptor) [pid 471] close(8) = -1 EBADF (Bad file descriptor) [pid 471] close(9) = -1 EBADF (Bad file descriptor) [pid 471] close(10) = -1 EBADF (Bad file descriptor) [pid 471] close(11) = -1 EBADF (Bad file descriptor) [pid 471] close(12) = -1 EBADF (Bad file descriptor) [pid 471] close(13) = -1 EBADF (Bad file descriptor) [pid 471] close(14) = -1 EBADF (Bad file descriptor) [pid 471] close(15) = -1 EBADF (Bad file descriptor) [pid 471] close(16) = -1 EBADF (Bad file descriptor) [pid 471] close(17) = -1 EBADF (Bad file descriptor) [pid 471] close(18) = -1 EBADF (Bad file descriptor) [pid 471] close(19) = -1 EBADF (Bad file descriptor) [pid 471] close(20) = -1 EBADF (Bad file descriptor) [pid 471] close(21) = -1 EBADF (Bad file descriptor) [pid 471] close(22) = -1 EBADF (Bad file descriptor) [pid 471] close(23) = -1 EBADF (Bad file descriptor) [pid 471] close(24) = -1 EBADF (Bad file descriptor) [pid 471] close(25) = -1 EBADF (Bad file descriptor) [pid 471] close(26) = -1 EBADF (Bad file descriptor) [pid 471] close(27) = -1 EBADF (Bad file descriptor) [pid 471] close(28) = -1 EBADF (Bad file descriptor) [pid 471] close(29) = -1 EBADF (Bad file descriptor) [pid 471] exit_group(0) = ? [pid 471] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./173/binderfs") = 0 [pid 297] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./173/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./173/cgroup.net") = 0 [pid 297] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./173/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./173/cgroup.cpu") = 0 [pid 297] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./173/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./173/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./173") = 0 [pid 297] mkdir("./174", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 176 ./strace-static-x86_64: Process 472 attached [pid 472] set_robust_list(0x555565b1f660, 24) = 0 [pid 472] chdir("./174") = 0 [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 472] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 472] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] symlink("/dev/binderfs", "./binderfs") = 0 [pid 472] write(1, "executing program\n", 18executing program ) = 18 [ 28.112951][ T470] incfs: Error allocating mount info. -12 [ 28.118717][ T470] incfs: mount failed -12 [ 28.140925][ T471] incfs: Error allocating mount info. -12 [ 28.146656][ T471] incfs: mount failed -12 [pid 472] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 472] close(3) = -1 EBADF (Bad file descriptor) [pid 472] close(4) = -1 EBADF (Bad file descriptor) [pid 472] close(5) = -1 EBADF (Bad file descriptor) [pid 472] close(6) = -1 EBADF (Bad file descriptor) [pid 472] close(7) = -1 EBADF (Bad file descriptor) [pid 472] close(8) = -1 EBADF (Bad file descriptor) [pid 472] close(9) = -1 EBADF (Bad file descriptor) [pid 472] close(10) = -1 EBADF (Bad file descriptor) [pid 472] close(11) = -1 EBADF (Bad file descriptor) [pid 472] close(12) = -1 EBADF (Bad file descriptor) [pid 472] close(13) = -1 EBADF (Bad file descriptor) [pid 472] close(14) = -1 EBADF (Bad file descriptor) [pid 472] close(15) = -1 EBADF (Bad file descriptor) [pid 472] close(16) = -1 EBADF (Bad file descriptor) [pid 472] close(17) = -1 EBADF (Bad file descriptor) [pid 472] close(18) = -1 EBADF (Bad file descriptor) [pid 472] close(19) = -1 EBADF (Bad file descriptor) [pid 472] close(20) = -1 EBADF (Bad file descriptor) [pid 472] close(21) = -1 EBADF (Bad file descriptor) [pid 472] close(22) = -1 EBADF (Bad file descriptor) [pid 472] close(23) = -1 EBADF (Bad file descriptor) [pid 472] close(24) = -1 EBADF (Bad file descriptor) [pid 472] close(25) = -1 EBADF (Bad file descriptor) [pid 472] close(26) = -1 EBADF (Bad file descriptor) [pid 472] close(27) = -1 EBADF (Bad file descriptor) [pid 472] close(28) = -1 EBADF (Bad file descriptor) [pid 472] close(29) = -1 EBADF (Bad file descriptor) [pid 472] exit_group(0) = ? [pid 472] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./174/binderfs") = 0 [pid 297] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./174/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./174/cgroup.net") = 0 [pid 297] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./174/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./174/cgroup.cpu") = 0 [pid 297] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./174/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./174/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./174") = 0 [pid 297] mkdir("./175", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 177 ./strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x555565b1f660, 24) = 0 [pid 473] chdir("./175") = 0 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 473] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 473] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] symlink("/dev/binderfs", "./binderfs") = 0 [pid 473] write(1, "executing program\n", 18executing program ) = 18 [pid 473] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 473] close(3) = -1 EBADF (Bad file descriptor) [pid 473] close(4) = -1 EBADF (Bad file descriptor) [pid 473] close(5) = -1 EBADF (Bad file descriptor) [pid 473] close(6) = -1 EBADF (Bad file descriptor) [pid 473] close(7) = -1 EBADF (Bad file descriptor) [pid 473] close(8) = -1 EBADF (Bad file descriptor) [pid 473] close(9) = -1 EBADF (Bad file descriptor) [pid 473] close(10) = -1 EBADF (Bad file descriptor) [pid 473] close(11) = -1 EBADF (Bad file descriptor) [pid 473] close(12) = -1 EBADF (Bad file descriptor) [pid 473] close(13) = -1 EBADF (Bad file descriptor) [pid 473] close(14) = -1 EBADF (Bad file descriptor) [pid 473] close(15) = -1 EBADF (Bad file descriptor) [pid 473] close(16) = -1 EBADF (Bad file descriptor) [pid 473] close(17) = -1 EBADF (Bad file descriptor) [pid 473] close(18) = -1 EBADF (Bad file descriptor) [pid 473] close(19) = -1 EBADF (Bad file descriptor) [pid 473] close(20) = -1 EBADF (Bad file descriptor) [pid 473] close(21) = -1 EBADF (Bad file descriptor) [pid 473] close(22) = -1 EBADF (Bad file descriptor) [pid 473] close(23) = -1 EBADF (Bad file descriptor) [pid 473] close(24) = -1 EBADF (Bad file descriptor) [pid 473] close(25) = -1 EBADF (Bad file descriptor) [pid 473] close(26) = -1 EBADF (Bad file descriptor) [pid 473] close(27) = -1 EBADF (Bad file descriptor) [pid 473] close(28) = -1 EBADF (Bad file descriptor) [pid 473] close(29) = -1 EBADF (Bad file descriptor) [pid 473] exit_group(0) = ? [pid 473] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./175/binderfs") = 0 [pid 297] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./175/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./175/cgroup.net") = 0 [pid 297] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./175/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./175/cgroup.cpu") = 0 [pid 297] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./175/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./175/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./175") = 0 [pid 297] mkdir("./176", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 474 attached , child_tidptr=0x555565b1f650) = 178 [pid 474] set_robust_list(0x555565b1f660, 24) = 0 [pid 474] chdir("./176") = 0 [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 474] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 474] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 474] write(3, "1000", 4) = 4 [pid 474] close(3) = 0 [pid 474] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 474] write(1, "executing program\n", 18) = 18 [ 28.169705][ T472] incfs: Error allocating mount info. -12 [ 28.175440][ T472] incfs: mount failed -12 [ 28.198881][ T473] incfs: Error allocating mount info. -12 [ 28.204698][ T473] incfs: mount failed -12 [pid 474] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 474] close(3) = -1 EBADF (Bad file descriptor) [pid 474] close(4) = -1 EBADF (Bad file descriptor) [pid 474] close(5) = -1 EBADF (Bad file descriptor) [pid 474] close(6) = -1 EBADF (Bad file descriptor) [pid 474] close(7) = -1 EBADF (Bad file descriptor) [pid 474] close(8) = -1 EBADF (Bad file descriptor) [pid 474] close(9) = -1 EBADF (Bad file descriptor) [pid 474] close(10) = -1 EBADF (Bad file descriptor) [pid 474] close(11) = -1 EBADF (Bad file descriptor) [pid 474] close(12) = -1 EBADF (Bad file descriptor) [pid 474] close(13) = -1 EBADF (Bad file descriptor) [pid 474] close(14) = -1 EBADF (Bad file descriptor) [pid 474] close(15) = -1 EBADF (Bad file descriptor) [pid 474] close(16) = -1 EBADF (Bad file descriptor) [pid 474] close(17) = -1 EBADF (Bad file descriptor) [pid 474] close(18) = -1 EBADF (Bad file descriptor) [pid 474] close(19) = -1 EBADF (Bad file descriptor) [pid 474] close(20) = -1 EBADF (Bad file descriptor) [pid 474] close(21) = -1 EBADF (Bad file descriptor) [pid 474] close(22) = -1 EBADF (Bad file descriptor) [pid 474] close(23) = -1 EBADF (Bad file descriptor) [pid 474] close(24) = -1 EBADF (Bad file descriptor) [pid 474] close(25) = -1 EBADF (Bad file descriptor) [pid 474] close(26) = -1 EBADF (Bad file descriptor) [pid 474] close(27) = -1 EBADF (Bad file descriptor) [pid 474] close(28) = -1 EBADF (Bad file descriptor) [pid 474] close(29) = -1 EBADF (Bad file descriptor) [pid 474] exit_group(0) = ? [pid 474] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./176/binderfs") = 0 [pid 297] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./176/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./176/cgroup.net") = 0 [pid 297] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./176/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./176/cgroup.cpu") = 0 [pid 297] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./176/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./176/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./176") = 0 [pid 297] mkdir("./177", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 179 ./strace-static-x86_64: Process 475 attached [pid 475] set_robust_list(0x555565b1f660, 24) = 0 [pid 475] chdir("./177") = 0 [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] setpgid(0, 0) = 0 [pid 475] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 475] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 475] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] write(3, "1000", 4) = 4 [pid 475] close(3) = 0 [pid 475] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 475] write(1, "executing program\n", 18) = 18 [pid 475] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 475] close(3) = -1 EBADF (Bad file descriptor) [pid 475] close(4) = -1 EBADF (Bad file descriptor) [pid 475] close(5) = -1 EBADF (Bad file descriptor) [pid 475] close(6) = -1 EBADF (Bad file descriptor) [pid 475] close(7) = -1 EBADF (Bad file descriptor) [pid 475] close(8) = -1 EBADF (Bad file descriptor) [pid 475] close(9) = -1 EBADF (Bad file descriptor) [pid 475] close(10) = -1 EBADF (Bad file descriptor) [pid 475] close(11) = -1 EBADF (Bad file descriptor) [pid 475] close(12) = -1 EBADF (Bad file descriptor) [pid 475] close(13) = -1 EBADF (Bad file descriptor) [pid 475] close(14) = -1 EBADF (Bad file descriptor) [pid 475] close(15) = -1 EBADF (Bad file descriptor) [pid 475] close(16) = -1 EBADF (Bad file descriptor) [pid 475] close(17) = -1 EBADF (Bad file descriptor) [pid 475] close(18) = -1 EBADF (Bad file descriptor) [pid 475] close(19) = -1 EBADF (Bad file descriptor) [pid 475] close(20) = -1 EBADF (Bad file descriptor) [pid 475] close(21) = -1 EBADF (Bad file descriptor) [pid 475] close(22) = -1 EBADF (Bad file descriptor) [pid 475] close(23) = -1 EBADF (Bad file descriptor) [pid 475] close(24) = -1 EBADF (Bad file descriptor) [pid 475] close(25) = -1 EBADF (Bad file descriptor) [pid 475] close(26) = -1 EBADF (Bad file descriptor) [pid 475] close(27) = -1 EBADF (Bad file descriptor) [pid 475] close(28) = -1 EBADF (Bad file descriptor) [pid 475] close(29) = -1 EBADF (Bad file descriptor) [pid 475] exit_group(0) = ? [pid 475] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./177/binderfs") = 0 [pid 297] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./177/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./177/cgroup.net") = 0 [pid 297] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./177/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./177/cgroup.cpu") = 0 [pid 297] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./177/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./177") = 0 [pid 297] mkdir("./178", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 180 ./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x555565b1f660, 24) = 0 [pid 476] chdir("./178") = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 476] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 476] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [ 28.227215][ T474] incfs: Error allocating mount info. -12 [ 28.232986][ T474] incfs: mount failed -12 [ 28.253037][ T475] incfs: Error allocating mount info. -12 [ 28.258805][ T475] incfs: mount failed -12 [pid 476] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 476] write(1, "executing program\n", 18) = 18 [pid 476] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 476] close(3) = -1 EBADF (Bad file descriptor) [pid 476] close(4) = -1 EBADF (Bad file descriptor) [pid 476] close(5) = -1 EBADF (Bad file descriptor) [pid 476] close(6) = -1 EBADF (Bad file descriptor) [pid 476] close(7) = -1 EBADF (Bad file descriptor) [pid 476] close(8) = -1 EBADF (Bad file descriptor) [pid 476] close(9) = -1 EBADF (Bad file descriptor) [pid 476] close(10) = -1 EBADF (Bad file descriptor) [pid 476] close(11) = -1 EBADF (Bad file descriptor) [pid 476] close(12) = -1 EBADF (Bad file descriptor) [pid 476] close(13) = -1 EBADF (Bad file descriptor) [pid 476] close(14) = -1 EBADF (Bad file descriptor) [pid 476] close(15) = -1 EBADF (Bad file descriptor) [pid 476] close(16) = -1 EBADF (Bad file descriptor) [pid 476] close(17) = -1 EBADF (Bad file descriptor) [pid 476] close(18) = -1 EBADF (Bad file descriptor) [pid 476] close(19) = -1 EBADF (Bad file descriptor) [pid 476] close(20) = -1 EBADF (Bad file descriptor) [pid 476] close(21) = -1 EBADF (Bad file descriptor) [pid 476] close(22) = -1 EBADF (Bad file descriptor) [pid 476] close(23) = -1 EBADF (Bad file descriptor) [pid 476] close(24) = -1 EBADF (Bad file descriptor) [pid 476] close(25) = -1 EBADF (Bad file descriptor) [pid 476] close(26) = -1 EBADF (Bad file descriptor) [pid 476] close(27) = -1 EBADF (Bad file descriptor) [pid 476] close(28) = -1 EBADF (Bad file descriptor) [pid 476] close(29) = -1 EBADF (Bad file descriptor) [pid 476] exit_group(0) = ? [pid 476] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./178/binderfs") = 0 [pid 297] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./178/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./178/cgroup.net") = 0 [pid 297] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./178/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./178/cgroup.cpu") = 0 [pid 297] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./178/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./178/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./178") = 0 [pid 297] mkdir("./179", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 477 attached , child_tidptr=0x555565b1f650) = 181 [pid 477] set_robust_list(0x555565b1f660, 24) = 0 [pid 477] chdir("./179") = 0 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 477] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 477] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 477] write(1, "executing program\n", 18) = 18 [pid 477] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 477] close(3) = -1 EBADF (Bad file descriptor) [pid 477] close(4) = -1 EBADF (Bad file descriptor) [pid 477] close(5) = -1 EBADF (Bad file descriptor) [pid 477] close(6) = -1 EBADF (Bad file descriptor) [pid 477] close(7) = -1 EBADF (Bad file descriptor) [pid 477] close(8) = -1 EBADF (Bad file descriptor) [pid 477] close(9) = -1 EBADF (Bad file descriptor) [pid 477] close(10) = -1 EBADF (Bad file descriptor) [pid 477] close(11) = -1 EBADF (Bad file descriptor) [pid 477] close(12) = -1 EBADF (Bad file descriptor) [pid 477] close(13) = -1 EBADF (Bad file descriptor) [pid 477] close(14) = -1 EBADF (Bad file descriptor) [pid 477] close(15) = -1 EBADF (Bad file descriptor) [pid 477] close(16) = -1 EBADF (Bad file descriptor) [pid 477] close(17) = -1 EBADF (Bad file descriptor) [pid 477] close(18) = -1 EBADF (Bad file descriptor) [pid 477] close(19) = -1 EBADF (Bad file descriptor) [pid 477] close(20) = -1 EBADF (Bad file descriptor) [pid 477] close(21) = -1 EBADF (Bad file descriptor) [pid 477] close(22) = -1 EBADF (Bad file descriptor) [pid 477] close(23) = -1 EBADF (Bad file descriptor) [pid 477] close(24) = -1 EBADF (Bad file descriptor) [pid 477] close(25) = -1 EBADF (Bad file descriptor) [pid 477] close(26) = -1 EBADF (Bad file descriptor) [pid 477] close(27) = -1 EBADF (Bad file descriptor) [pid 477] close(28) = -1 EBADF (Bad file descriptor) [pid 477] close(29) = -1 EBADF (Bad file descriptor) [pid 477] exit_group(0) = ? [pid 477] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./179/binderfs") = 0 [pid 297] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./179/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./179/cgroup.net") = 0 [pid 297] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./179/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./179/cgroup.cpu") = 0 [pid 297] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./179/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./179/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./179") = 0 [pid 297] mkdir("./180", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 478 attached , child_tidptr=0x555565b1f650) = 182 [pid 478] set_robust_list(0x555565b1f660, 24) = 0 [pid 478] chdir("./180") = 0 [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 478] setpgid(0, 0) = 0 [pid 478] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 478] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 478] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 478] write(3, "1000", 4) = 4 [pid 478] close(3) = 0 [pid 478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 478] write(1, "executing program\n", 18executing program ) = 18 [ 28.279961][ T476] incfs: Error allocating mount info. -12 [ 28.285697][ T476] incfs: mount failed -12 [ 28.308646][ T477] incfs: Error allocating mount info. -12 [ 28.314377][ T477] incfs: mount failed -12 [pid 478] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 478] close(3) = -1 EBADF (Bad file descriptor) [pid 478] close(4) = -1 EBADF (Bad file descriptor) [pid 478] close(5) = -1 EBADF (Bad file descriptor) [pid 478] close(6) = -1 EBADF (Bad file descriptor) [pid 478] close(7) = -1 EBADF (Bad file descriptor) [pid 478] close(8) = -1 EBADF (Bad file descriptor) [pid 478] close(9) = -1 EBADF (Bad file descriptor) [pid 478] close(10) = -1 EBADF (Bad file descriptor) [pid 478] close(11) = -1 EBADF (Bad file descriptor) [pid 478] close(12) = -1 EBADF (Bad file descriptor) [pid 478] close(13) = -1 EBADF (Bad file descriptor) [pid 478] close(14) = -1 EBADF (Bad file descriptor) [pid 478] close(15) = -1 EBADF (Bad file descriptor) [pid 478] close(16) = -1 EBADF (Bad file descriptor) [pid 478] close(17) = -1 EBADF (Bad file descriptor) [pid 478] close(18) = -1 EBADF (Bad file descriptor) [pid 478] close(19) = -1 EBADF (Bad file descriptor) [pid 478] close(20) = -1 EBADF (Bad file descriptor) [pid 478] close(21) = -1 EBADF (Bad file descriptor) [pid 478] close(22) = -1 EBADF (Bad file descriptor) [pid 478] close(23) = -1 EBADF (Bad file descriptor) [pid 478] close(24) = -1 EBADF (Bad file descriptor) [pid 478] close(25) = -1 EBADF (Bad file descriptor) [pid 478] close(26) = -1 EBADF (Bad file descriptor) [pid 478] close(27) = -1 EBADF (Bad file descriptor) [pid 478] close(28) = -1 EBADF (Bad file descriptor) [pid 478] close(29) = -1 EBADF (Bad file descriptor) [pid 478] exit_group(0) = ? [pid 478] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./180/binderfs") = 0 [pid 297] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./180/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./180/cgroup.net") = 0 [pid 297] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./180/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./180/cgroup.cpu") = 0 [pid 297] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./180/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./180/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./180") = 0 [pid 297] mkdir("./181", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 183 ./strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x555565b1f660, 24) = 0 [pid 479] chdir("./181") = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 479] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 479] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 479] write(1, "executing program\n", 18) = 18 [pid 479] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 479] close(3) = -1 EBADF (Bad file descriptor) [pid 479] close(4) = -1 EBADF (Bad file descriptor) [pid 479] close(5) = -1 EBADF (Bad file descriptor) [pid 479] close(6) = -1 EBADF (Bad file descriptor) [pid 479] close(7) = -1 EBADF (Bad file descriptor) [pid 479] close(8) = -1 EBADF (Bad file descriptor) [pid 479] close(9) = -1 EBADF (Bad file descriptor) [pid 479] close(10) = -1 EBADF (Bad file descriptor) [pid 479] close(11) = -1 EBADF (Bad file descriptor) [pid 479] close(12) = -1 EBADF (Bad file descriptor) [pid 479] close(13) = -1 EBADF (Bad file descriptor) [pid 479] close(14) = -1 EBADF (Bad file descriptor) [pid 479] close(15) = -1 EBADF (Bad file descriptor) [pid 479] close(16) = -1 EBADF (Bad file descriptor) [pid 479] close(17) = -1 EBADF (Bad file descriptor) [pid 479] close(18) = -1 EBADF (Bad file descriptor) [pid 479] close(19) = -1 EBADF (Bad file descriptor) [pid 479] close(20) = -1 EBADF (Bad file descriptor) [pid 479] close(21) = -1 EBADF (Bad file descriptor) [pid 479] close(22) = -1 EBADF (Bad file descriptor) [pid 479] close(23) = -1 EBADF (Bad file descriptor) [pid 479] close(24) = -1 EBADF (Bad file descriptor) [pid 479] close(25) = -1 EBADF (Bad file descriptor) [pid 479] close(26) = -1 EBADF (Bad file descriptor) [pid 479] close(27) = -1 EBADF (Bad file descriptor) [pid 479] close(28) = -1 EBADF (Bad file descriptor) [pid 479] close(29) = -1 EBADF (Bad file descriptor) [pid 479] exit_group(0) = ? [pid 479] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./181/binderfs") = 0 [pid 297] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./181/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./181/cgroup.net") = 0 [pid 297] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./181/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./181/cgroup.cpu") = 0 [pid 297] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./181/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./181/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./181") = 0 [pid 297] mkdir("./182", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 184 ./strace-static-x86_64: Process 480 attached [pid 480] set_robust_list(0x555565b1f660, 24) = 0 [pid 480] chdir("./182") = 0 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 480] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 480] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 [pid 480] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 480] write(1, "executing program\n", 18) = 18 [ 28.336160][ T478] incfs: Error allocating mount info. -12 [ 28.341937][ T478] incfs: mount failed -12 [ 28.362101][ T479] incfs: Error allocating mount info. -12 [ 28.367834][ T479] incfs: mount failed -12 [pid 480] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 480] close(3) = -1 EBADF (Bad file descriptor) [pid 480] close(4) = -1 EBADF (Bad file descriptor) [pid 480] close(5) = -1 EBADF (Bad file descriptor) [pid 480] close(6) = -1 EBADF (Bad file descriptor) [pid 480] close(7) = -1 EBADF (Bad file descriptor) [pid 480] close(8) = -1 EBADF (Bad file descriptor) [pid 480] close(9) = -1 EBADF (Bad file descriptor) [pid 480] close(10) = -1 EBADF (Bad file descriptor) [pid 480] close(11) = -1 EBADF (Bad file descriptor) [pid 480] close(12) = -1 EBADF (Bad file descriptor) [pid 480] close(13) = -1 EBADF (Bad file descriptor) [pid 480] close(14) = -1 EBADF (Bad file descriptor) [pid 480] close(15) = -1 EBADF (Bad file descriptor) [pid 480] close(16) = -1 EBADF (Bad file descriptor) [pid 480] close(17) = -1 EBADF (Bad file descriptor) [pid 480] close(18) = -1 EBADF (Bad file descriptor) [pid 480] close(19) = -1 EBADF (Bad file descriptor) [pid 480] close(20) = -1 EBADF (Bad file descriptor) [pid 480] close(21) = -1 EBADF (Bad file descriptor) [pid 480] close(22) = -1 EBADF (Bad file descriptor) [pid 480] close(23) = -1 EBADF (Bad file descriptor) [pid 480] close(24) = -1 EBADF (Bad file descriptor) [pid 480] close(25) = -1 EBADF (Bad file descriptor) [pid 480] close(26) = -1 EBADF (Bad file descriptor) [pid 480] close(27) = -1 EBADF (Bad file descriptor) [pid 480] close(28) = -1 EBADF (Bad file descriptor) [pid 480] close(29) = -1 EBADF (Bad file descriptor) [pid 480] exit_group(0) = ? [pid 480] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./182/binderfs") = 0 [pid 297] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./182/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./182/cgroup.net") = 0 [pid 297] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./182/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./182/cgroup.cpu") = 0 [pid 297] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./182/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./182/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./182") = 0 [pid 297] mkdir("./183", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 481 attached , child_tidptr=0x555565b1f650) = 185 [pid 481] set_robust_list(0x555565b1f660, 24) = 0 [pid 481] chdir("./183") = 0 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0) = 0 [pid 481] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 481] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 481] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 [pid 481] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 481] write(1, "executing program\n", 18) = 18 [pid 481] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 481] close(3) = -1 EBADF (Bad file descriptor) [pid 481] close(4) = -1 EBADF (Bad file descriptor) [pid 481] close(5) = -1 EBADF (Bad file descriptor) [pid 481] close(6) = -1 EBADF (Bad file descriptor) [pid 481] close(7) = -1 EBADF (Bad file descriptor) [pid 481] close(8) = -1 EBADF (Bad file descriptor) [pid 481] close(9) = -1 EBADF (Bad file descriptor) [pid 481] close(10) = -1 EBADF (Bad file descriptor) [pid 481] close(11) = -1 EBADF (Bad file descriptor) [pid 481] close(12) = -1 EBADF (Bad file descriptor) [pid 481] close(13) = -1 EBADF (Bad file descriptor) [pid 481] close(14) = -1 EBADF (Bad file descriptor) [pid 481] close(15) = -1 EBADF (Bad file descriptor) [pid 481] close(16) = -1 EBADF (Bad file descriptor) [pid 481] close(17) = -1 EBADF (Bad file descriptor) [pid 481] close(18) = -1 EBADF (Bad file descriptor) [pid 481] close(19) = -1 EBADF (Bad file descriptor) [pid 481] close(20) = -1 EBADF (Bad file descriptor) [pid 481] close(21) = -1 EBADF (Bad file descriptor) [pid 481] close(22) = -1 EBADF (Bad file descriptor) [pid 481] close(23) = -1 EBADF (Bad file descriptor) [pid 481] close(24) = -1 EBADF (Bad file descriptor) [pid 481] close(25) = -1 EBADF (Bad file descriptor) [pid 481] close(26) = -1 EBADF (Bad file descriptor) [pid 481] close(27) = -1 EBADF (Bad file descriptor) [pid 481] close(28) = -1 EBADF (Bad file descriptor) [pid 481] close(29) = -1 EBADF (Bad file descriptor) [pid 481] exit_group(0) = ? [pid 481] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./183/binderfs") = 0 [pid 297] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./183/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./183/cgroup.net") = 0 [pid 297] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./183/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./183/cgroup.cpu") = 0 [pid 297] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./183/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./183/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./183") = 0 [pid 297] mkdir("./184", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 186 ./strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x555565b1f660, 24) = 0 [pid 482] chdir("./184") = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 482] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 482] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] symlink("/dev/binderfs", "./binderfs") = 0 executing program [ 28.389488][ T480] incfs: Error allocating mount info. -12 [ 28.395298][ T480] incfs: mount failed -12 [ 28.415637][ T481] incfs: Error allocating mount info. -12 [ 28.421433][ T481] incfs: mount failed -12 [pid 482] write(1, "executing program\n", 18) = 18 [pid 482] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 482] close(3) = -1 EBADF (Bad file descriptor) [pid 482] close(4) = -1 EBADF (Bad file descriptor) [pid 482] close(5) = -1 EBADF (Bad file descriptor) [pid 482] close(6) = -1 EBADF (Bad file descriptor) [pid 482] close(7) = -1 EBADF (Bad file descriptor) [pid 482] close(8) = -1 EBADF (Bad file descriptor) [pid 482] close(9) = -1 EBADF (Bad file descriptor) [pid 482] close(10) = -1 EBADF (Bad file descriptor) [pid 482] close(11) = -1 EBADF (Bad file descriptor) [pid 482] close(12) = -1 EBADF (Bad file descriptor) [pid 482] close(13) = -1 EBADF (Bad file descriptor) [pid 482] close(14) = -1 EBADF (Bad file descriptor) [pid 482] close(15) = -1 EBADF (Bad file descriptor) [pid 482] close(16) = -1 EBADF (Bad file descriptor) [pid 482] close(17) = -1 EBADF (Bad file descriptor) [pid 482] close(18) = -1 EBADF (Bad file descriptor) [pid 482] close(19) = -1 EBADF (Bad file descriptor) [pid 482] close(20) = -1 EBADF (Bad file descriptor) [pid 482] close(21) = -1 EBADF (Bad file descriptor) [pid 482] close(22) = -1 EBADF (Bad file descriptor) [pid 482] close(23) = -1 EBADF (Bad file descriptor) [pid 482] close(24) = -1 EBADF (Bad file descriptor) [pid 482] close(25) = -1 EBADF (Bad file descriptor) [pid 482] close(26) = -1 EBADF (Bad file descriptor) [pid 482] close(27) = -1 EBADF (Bad file descriptor) [pid 482] close(28) = -1 EBADF (Bad file descriptor) [pid 482] close(29) = -1 EBADF (Bad file descriptor) [pid 482] exit_group(0) = ? [pid 482] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./184/binderfs") = 0 [pid 297] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./184/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./184/cgroup.net") = 0 [pid 297] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./184/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./184/cgroup.cpu") = 0 [pid 297] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./184/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./184/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./184") = 0 [pid 297] mkdir("./185", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 187 ./strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x555565b1f660, 24) = 0 [pid 483] chdir("./185") = 0 [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 483] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 483] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] symlink("/dev/binderfs", "./binderfs") = 0 [pid 483] write(1, "executing program\n", 18executing program ) = 18 [pid 483] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 483] close(3) = -1 EBADF (Bad file descriptor) [pid 483] close(4) = -1 EBADF (Bad file descriptor) [pid 483] close(5) = -1 EBADF (Bad file descriptor) [pid 483] close(6) = -1 EBADF (Bad file descriptor) [pid 483] close(7) = -1 EBADF (Bad file descriptor) [pid 483] close(8) = -1 EBADF (Bad file descriptor) [pid 483] close(9) = -1 EBADF (Bad file descriptor) [pid 483] close(10) = -1 EBADF (Bad file descriptor) [pid 483] close(11) = -1 EBADF (Bad file descriptor) [pid 483] close(12) = -1 EBADF (Bad file descriptor) [pid 483] close(13) = -1 EBADF (Bad file descriptor) [pid 483] close(14) = -1 EBADF (Bad file descriptor) [pid 483] close(15) = -1 EBADF (Bad file descriptor) [pid 483] close(16) = -1 EBADF (Bad file descriptor) [pid 483] close(17) = -1 EBADF (Bad file descriptor) [pid 483] close(18) = -1 EBADF (Bad file descriptor) [pid 483] close(19) = -1 EBADF (Bad file descriptor) [pid 483] close(20) = -1 EBADF (Bad file descriptor) [pid 483] close(21) = -1 EBADF (Bad file descriptor) [pid 483] close(22) = -1 EBADF (Bad file descriptor) [pid 483] close(23) = -1 EBADF (Bad file descriptor) [pid 483] close(24) = -1 EBADF (Bad file descriptor) [pid 483] close(25) = -1 EBADF (Bad file descriptor) [pid 483] close(26) = -1 EBADF (Bad file descriptor) [pid 483] close(27) = -1 EBADF (Bad file descriptor) [pid 483] close(28) = -1 EBADF (Bad file descriptor) [pid 483] close(29) = -1 EBADF (Bad file descriptor) [pid 483] exit_group(0) = ? [pid 483] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./185/binderfs") = 0 [pid 297] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./185/cgroup.net") = 0 [pid 297] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./185/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./185/cgroup.cpu") = 0 [pid 297] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./185/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./185/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./185") = 0 [pid 297] mkdir("./186", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 484 attached , child_tidptr=0x555565b1f650) = 188 [pid 484] set_robust_list(0x555565b1f660, 24) = 0 [pid 484] chdir("./186") = 0 [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 484] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 484] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3) = 0 [pid 484] symlink("/dev/binderfs", "./binderfs") = 0 [pid 484] write(1, "executing program\n", 18executing program ) = 18 [ 28.440569][ T482] incfs: Error allocating mount info. -12 [ 28.446295][ T482] incfs: mount failed -12 [ 28.465898][ T483] incfs: Error allocating mount info. -12 [ 28.471673][ T483] incfs: mount failed -12 [pid 484] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 484] close(3) = -1 EBADF (Bad file descriptor) [pid 484] close(4) = -1 EBADF (Bad file descriptor) [pid 484] close(5) = -1 EBADF (Bad file descriptor) [pid 484] close(6) = -1 EBADF (Bad file descriptor) [pid 484] close(7) = -1 EBADF (Bad file descriptor) [pid 484] close(8) = -1 EBADF (Bad file descriptor) [pid 484] close(9) = -1 EBADF (Bad file descriptor) [pid 484] close(10) = -1 EBADF (Bad file descriptor) [pid 484] close(11) = -1 EBADF (Bad file descriptor) [pid 484] close(12) = -1 EBADF (Bad file descriptor) [pid 484] close(13) = -1 EBADF (Bad file descriptor) [pid 484] close(14) = -1 EBADF (Bad file descriptor) [pid 484] close(15) = -1 EBADF (Bad file descriptor) [pid 484] close(16) = -1 EBADF (Bad file descriptor) [pid 484] close(17) = -1 EBADF (Bad file descriptor) [pid 484] close(18) = -1 EBADF (Bad file descriptor) [pid 484] close(19) = -1 EBADF (Bad file descriptor) [pid 484] close(20) = -1 EBADF (Bad file descriptor) [pid 484] close(21) = -1 EBADF (Bad file descriptor) [pid 484] close(22) = -1 EBADF (Bad file descriptor) [pid 484] close(23) = -1 EBADF (Bad file descriptor) [pid 484] close(24) = -1 EBADF (Bad file descriptor) [pid 484] close(25) = -1 EBADF (Bad file descriptor) [pid 484] close(26) = -1 EBADF (Bad file descriptor) [pid 484] close(27) = -1 EBADF (Bad file descriptor) [pid 484] close(28) = -1 EBADF (Bad file descriptor) [pid 484] close(29) = -1 EBADF (Bad file descriptor) [pid 484] exit_group(0) = ? [pid 484] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./186/binderfs") = 0 [pid 297] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./186/cgroup.net") = 0 [pid 297] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./186/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./186/cgroup.cpu") = 0 [pid 297] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./186/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./186") = 0 [pid 297] mkdir("./187", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 189 ./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x555565b1f660, 24) = 0 [pid 485] chdir("./187") = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 485] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 485] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 485] write(1, "executing program\n", 18executing program ) = 18 [pid 485] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 485] close(3) = -1 EBADF (Bad file descriptor) [pid 485] close(4) = -1 EBADF (Bad file descriptor) [pid 485] close(5) = -1 EBADF (Bad file descriptor) [pid 485] close(6) = -1 EBADF (Bad file descriptor) [pid 485] close(7) = -1 EBADF (Bad file descriptor) [pid 485] close(8) = -1 EBADF (Bad file descriptor) [pid 485] close(9) = -1 EBADF (Bad file descriptor) [pid 485] close(10) = -1 EBADF (Bad file descriptor) [pid 485] close(11) = -1 EBADF (Bad file descriptor) [pid 485] close(12) = -1 EBADF (Bad file descriptor) [pid 485] close(13) = -1 EBADF (Bad file descriptor) [pid 485] close(14) = -1 EBADF (Bad file descriptor) [pid 485] close(15) = -1 EBADF (Bad file descriptor) [pid 485] close(16) = -1 EBADF (Bad file descriptor) [pid 485] close(17) = -1 EBADF (Bad file descriptor) [pid 485] close(18) = -1 EBADF (Bad file descriptor) [pid 485] close(19) = -1 EBADF (Bad file descriptor) [pid 485] close(20) = -1 EBADF (Bad file descriptor) [pid 485] close(21) = -1 EBADF (Bad file descriptor) [pid 485] close(22) = -1 EBADF (Bad file descriptor) [pid 485] close(23) = -1 EBADF (Bad file descriptor) [pid 485] close(24) = -1 EBADF (Bad file descriptor) [pid 485] close(25) = -1 EBADF (Bad file descriptor) [pid 485] close(26) = -1 EBADF (Bad file descriptor) [pid 485] close(27) = -1 EBADF (Bad file descriptor) [pid 485] close(28) = -1 EBADF (Bad file descriptor) [pid 485] close(29) = -1 EBADF (Bad file descriptor) [pid 485] exit_group(0) = ? [pid 485] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./187/binderfs") = 0 [pid 297] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./187/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./187/cgroup.net") = 0 [pid 297] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./187/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./187/cgroup.cpu") = 0 [pid 297] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./187/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./187/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./187") = 0 [pid 297] mkdir("./188", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 486 attached , child_tidptr=0x555565b1f650) = 190 [pid 486] set_robust_list(0x555565b1f660, 24) = 0 [pid 486] chdir("./188") = 0 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 486] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 486] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 [pid 486] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 486] write(1, "executing program\n", 18) = 18 [ 28.489290][ T484] incfs: Error allocating mount info. -12 [ 28.495025][ T484] incfs: mount failed -12 [ 28.518173][ T485] incfs: Error allocating mount info. -12 [ 28.523987][ T485] incfs: mount failed -12 [pid 486] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 486] close(3) = -1 EBADF (Bad file descriptor) [pid 486] close(4) = -1 EBADF (Bad file descriptor) [pid 486] close(5) = -1 EBADF (Bad file descriptor) [pid 486] close(6) = -1 EBADF (Bad file descriptor) [pid 486] close(7) = -1 EBADF (Bad file descriptor) [pid 486] close(8) = -1 EBADF (Bad file descriptor) [pid 486] close(9) = -1 EBADF (Bad file descriptor) [pid 486] close(10) = -1 EBADF (Bad file descriptor) [pid 486] close(11) = -1 EBADF (Bad file descriptor) [pid 486] close(12) = -1 EBADF (Bad file descriptor) [pid 486] close(13) = -1 EBADF (Bad file descriptor) [pid 486] close(14) = -1 EBADF (Bad file descriptor) [pid 486] close(15) = -1 EBADF (Bad file descriptor) [pid 486] close(16) = -1 EBADF (Bad file descriptor) [pid 486] close(17) = -1 EBADF (Bad file descriptor) [pid 486] close(18) = -1 EBADF (Bad file descriptor) [pid 486] close(19) = -1 EBADF (Bad file descriptor) [pid 486] close(20) = -1 EBADF (Bad file descriptor) [pid 486] close(21) = -1 EBADF (Bad file descriptor) [pid 486] close(22) = -1 EBADF (Bad file descriptor) [pid 486] close(23) = -1 EBADF (Bad file descriptor) [pid 486] close(24) = -1 EBADF (Bad file descriptor) [pid 486] close(25) = -1 EBADF (Bad file descriptor) [pid 486] close(26) = -1 EBADF (Bad file descriptor) [pid 486] close(27) = -1 EBADF (Bad file descriptor) [pid 486] close(28) = -1 EBADF (Bad file descriptor) [pid 486] close(29) = -1 EBADF (Bad file descriptor) [pid 486] exit_group(0) = ? [pid 486] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./188/binderfs") = 0 [pid 297] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./188/cgroup.net") = 0 [pid 297] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./188/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./188/cgroup.cpu") = 0 [pid 297] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./188/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./188") = 0 [pid 297] mkdir("./189", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 191 ./strace-static-x86_64: Process 487 attached [pid 487] set_robust_list(0x555565b1f660, 24) = 0 [pid 487] chdir("./189") = 0 [pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 487] setpgid(0, 0) = 0 [pid 487] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 487] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 487] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 487] write(3, "1000", 4) = 4 [pid 487] close(3) = 0 [pid 487] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 487] write(1, "executing program\n", 18) = 18 [pid 487] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 487] close(3) = -1 EBADF (Bad file descriptor) [pid 487] close(4) = -1 EBADF (Bad file descriptor) [pid 487] close(5) = -1 EBADF (Bad file descriptor) [pid 487] close(6) = -1 EBADF (Bad file descriptor) [pid 487] close(7) = -1 EBADF (Bad file descriptor) [pid 487] close(8) = -1 EBADF (Bad file descriptor) [pid 487] close(9) = -1 EBADF (Bad file descriptor) [pid 487] close(10) = -1 EBADF (Bad file descriptor) [pid 487] close(11) = -1 EBADF (Bad file descriptor) [pid 487] close(12) = -1 EBADF (Bad file descriptor) [pid 487] close(13) = -1 EBADF (Bad file descriptor) [pid 487] close(14) = -1 EBADF (Bad file descriptor) [pid 487] close(15) = -1 EBADF (Bad file descriptor) [pid 487] close(16) = -1 EBADF (Bad file descriptor) [pid 487] close(17) = -1 EBADF (Bad file descriptor) [pid 487] close(18) = -1 EBADF (Bad file descriptor) [pid 487] close(19) = -1 EBADF (Bad file descriptor) [pid 487] close(20) = -1 EBADF (Bad file descriptor) [pid 487] close(21) = -1 EBADF (Bad file descriptor) [pid 487] close(22) = -1 EBADF (Bad file descriptor) [pid 487] close(23) = -1 EBADF (Bad file descriptor) [pid 487] close(24) = -1 EBADF (Bad file descriptor) [pid 487] close(25) = -1 EBADF (Bad file descriptor) [pid 487] close(26) = -1 EBADF (Bad file descriptor) [pid 487] close(27) = -1 EBADF (Bad file descriptor) [pid 487] close(28) = -1 EBADF (Bad file descriptor) [pid 487] close(29) = -1 EBADF (Bad file descriptor) [pid 487] exit_group(0) = ? [pid 487] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./189/binderfs") = 0 [pid 297] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./189/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./189/cgroup.net") = 0 [pid 297] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./189/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./189/cgroup.cpu") = 0 [pid 297] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./189/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./189/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./189") = 0 [pid 297] mkdir("./190", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 192 ./strace-static-x86_64: Process 488 attached [pid 488] set_robust_list(0x555565b1f660, 24) = 0 [pid 488] chdir("./190") = 0 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 488] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] symlink("/dev/binderfs", "./binderfs") = 0 [ 28.541717][ T486] incfs: Error allocating mount info. -12 [ 28.547448][ T486] incfs: mount failed -12 [ 28.568869][ T487] incfs: Error allocating mount info. -12 [ 28.574598][ T487] incfs: mount failed -12 executing program [pid 488] write(1, "executing program\n", 18) = 18 [pid 488] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 488] close(3) = -1 EBADF (Bad file descriptor) [pid 488] close(4) = -1 EBADF (Bad file descriptor) [pid 488] close(5) = -1 EBADF (Bad file descriptor) [pid 488] close(6) = -1 EBADF (Bad file descriptor) [pid 488] close(7) = -1 EBADF (Bad file descriptor) [pid 488] close(8) = -1 EBADF (Bad file descriptor) [pid 488] close(9) = -1 EBADF (Bad file descriptor) [pid 488] close(10) = -1 EBADF (Bad file descriptor) [pid 488] close(11) = -1 EBADF (Bad file descriptor) [pid 488] close(12) = -1 EBADF (Bad file descriptor) [pid 488] close(13) = -1 EBADF (Bad file descriptor) [pid 488] close(14) = -1 EBADF (Bad file descriptor) [pid 488] close(15) = -1 EBADF (Bad file descriptor) [pid 488] close(16) = -1 EBADF (Bad file descriptor) [pid 488] close(17) = -1 EBADF (Bad file descriptor) [pid 488] close(18) = -1 EBADF (Bad file descriptor) [pid 488] close(19) = -1 EBADF (Bad file descriptor) [pid 488] close(20) = -1 EBADF (Bad file descriptor) [pid 488] close(21) = -1 EBADF (Bad file descriptor) [pid 488] close(22) = -1 EBADF (Bad file descriptor) [pid 488] close(23) = -1 EBADF (Bad file descriptor) [pid 488] close(24) = -1 EBADF (Bad file descriptor) [pid 488] close(25) = -1 EBADF (Bad file descriptor) [pid 488] close(26) = -1 EBADF (Bad file descriptor) [pid 488] close(27) = -1 EBADF (Bad file descriptor) [pid 488] close(28) = -1 EBADF (Bad file descriptor) [pid 488] close(29) = -1 EBADF (Bad file descriptor) [pid 488] exit_group(0) = ? [pid 488] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./190/binderfs") = 0 [pid 297] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./190/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./190/cgroup.net") = 0 [pid 297] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./190/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./190/cgroup.cpu") = 0 [pid 297] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./190/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./190/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./190") = 0 [pid 297] mkdir("./191", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 193 ./strace-static-x86_64: Process 489 attached [pid 489] set_robust_list(0x555565b1f660, 24) = 0 [pid 489] chdir("./191") = 0 [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 489] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 489] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 [pid 489] symlink("/dev/binderfs", "./binderfs") = 0 [pid 489] write(1, "executing program\n", 18executing program ) = 18 [pid 489] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 489] close(3) = -1 EBADF (Bad file descriptor) [pid 489] close(4) = -1 EBADF (Bad file descriptor) [pid 489] close(5) = -1 EBADF (Bad file descriptor) [pid 489] close(6) = -1 EBADF (Bad file descriptor) [pid 489] close(7) = -1 EBADF (Bad file descriptor) [pid 489] close(8) = -1 EBADF (Bad file descriptor) [pid 489] close(9) = -1 EBADF (Bad file descriptor) [pid 489] close(10) = -1 EBADF (Bad file descriptor) [pid 489] close(11) = -1 EBADF (Bad file descriptor) [pid 489] close(12) = -1 EBADF (Bad file descriptor) [pid 489] close(13) = -1 EBADF (Bad file descriptor) [pid 489] close(14) = -1 EBADF (Bad file descriptor) [pid 489] close(15) = -1 EBADF (Bad file descriptor) [pid 489] close(16) = -1 EBADF (Bad file descriptor) [pid 489] close(17) = -1 EBADF (Bad file descriptor) [pid 489] close(18) = -1 EBADF (Bad file descriptor) [pid 489] close(19) = -1 EBADF (Bad file descriptor) [pid 489] close(20) = -1 EBADF (Bad file descriptor) [pid 489] close(21) = -1 EBADF (Bad file descriptor) [pid 489] close(22) = -1 EBADF (Bad file descriptor) [pid 489] close(23) = -1 EBADF (Bad file descriptor) [pid 489] close(24) = -1 EBADF (Bad file descriptor) [pid 489] close(25) = -1 EBADF (Bad file descriptor) [pid 489] close(26) = -1 EBADF (Bad file descriptor) [pid 489] close(27) = -1 EBADF (Bad file descriptor) [pid 489] close(28) = -1 EBADF (Bad file descriptor) [pid 489] close(29) = -1 EBADF (Bad file descriptor) [pid 489] exit_group(0) = ? [pid 489] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./191/binderfs") = 0 [pid 297] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./191/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./191/cgroup.net") = 0 [pid 297] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./191/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./191/cgroup.cpu") = 0 [pid 297] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./191/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./191/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./191") = 0 [pid 297] mkdir("./192", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 490 attached , child_tidptr=0x555565b1f650) = 194 [pid 490] set_robust_list(0x555565b1f660, 24) = 0 [pid 490] chdir("./192") = 0 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 490] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 490] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 490] write(3, "1000", 4) = 4 [pid 490] close(3) = 0 [pid 490] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 490] write(1, "executing program\n", 18) = 18 [ 28.593566][ T488] incfs: Error allocating mount info. -12 [ 28.599364][ T488] incfs: mount failed -12 [ 28.619292][ T489] incfs: Error allocating mount info. -12 [ 28.625024][ T489] incfs: mount failed -12 [pid 490] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 490] close(3) = -1 EBADF (Bad file descriptor) [pid 490] close(4) = -1 EBADF (Bad file descriptor) [pid 490] close(5) = -1 EBADF (Bad file descriptor) [pid 490] close(6) = -1 EBADF (Bad file descriptor) [pid 490] close(7) = -1 EBADF (Bad file descriptor) [pid 490] close(8) = -1 EBADF (Bad file descriptor) [pid 490] close(9) = -1 EBADF (Bad file descriptor) [pid 490] close(10) = -1 EBADF (Bad file descriptor) [pid 490] close(11) = -1 EBADF (Bad file descriptor) [pid 490] close(12) = -1 EBADF (Bad file descriptor) [pid 490] close(13) = -1 EBADF (Bad file descriptor) [pid 490] close(14) = -1 EBADF (Bad file descriptor) [pid 490] close(15) = -1 EBADF (Bad file descriptor) [pid 490] close(16) = -1 EBADF (Bad file descriptor) [pid 490] close(17) = -1 EBADF (Bad file descriptor) [pid 490] close(18) = -1 EBADF (Bad file descriptor) [pid 490] close(19) = -1 EBADF (Bad file descriptor) [pid 490] close(20) = -1 EBADF (Bad file descriptor) [pid 490] close(21) = -1 EBADF (Bad file descriptor) [pid 490] close(22) = -1 EBADF (Bad file descriptor) [pid 490] close(23) = -1 EBADF (Bad file descriptor) [pid 490] close(24) = -1 EBADF (Bad file descriptor) [pid 490] close(25) = -1 EBADF (Bad file descriptor) [pid 490] close(26) = -1 EBADF (Bad file descriptor) [pid 490] close(27) = -1 EBADF (Bad file descriptor) [pid 490] close(28) = -1 EBADF (Bad file descriptor) [pid 490] close(29) = -1 EBADF (Bad file descriptor) [pid 490] exit_group(0) = ? [pid 490] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./192/binderfs") = 0 [pid 297] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./192/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./192/cgroup.net") = 0 [pid 297] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./192/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./192/cgroup.cpu") = 0 [pid 297] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./192/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./192/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./192") = 0 [pid 297] mkdir("./193", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 195 ./strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x555565b1f660, 24) = 0 [pid 491] chdir("./193") = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 491] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 491] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 491] write(1, "executing program\n", 18) = 18 [pid 491] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 491] close(3) = -1 EBADF (Bad file descriptor) [pid 491] close(4) = -1 EBADF (Bad file descriptor) [pid 491] close(5) = -1 EBADF (Bad file descriptor) [pid 491] close(6) = -1 EBADF (Bad file descriptor) [pid 491] close(7) = -1 EBADF (Bad file descriptor) [pid 491] close(8) = -1 EBADF (Bad file descriptor) [pid 491] close(9) = -1 EBADF (Bad file descriptor) [pid 491] close(10) = -1 EBADF (Bad file descriptor) [pid 491] close(11) = -1 EBADF (Bad file descriptor) [pid 491] close(12) = -1 EBADF (Bad file descriptor) [pid 491] close(13) = -1 EBADF (Bad file descriptor) [pid 491] close(14) = -1 EBADF (Bad file descriptor) [pid 491] close(15) = -1 EBADF (Bad file descriptor) [pid 491] close(16) = -1 EBADF (Bad file descriptor) [pid 491] close(17) = -1 EBADF (Bad file descriptor) [pid 491] close(18) = -1 EBADF (Bad file descriptor) [pid 491] close(19) = -1 EBADF (Bad file descriptor) [pid 491] close(20) = -1 EBADF (Bad file descriptor) [pid 491] close(21) = -1 EBADF (Bad file descriptor) [pid 491] close(22) = -1 EBADF (Bad file descriptor) [pid 491] close(23) = -1 EBADF (Bad file descriptor) [pid 491] close(24) = -1 EBADF (Bad file descriptor) [pid 491] close(25) = -1 EBADF (Bad file descriptor) [pid 491] close(26) = -1 EBADF (Bad file descriptor) [pid 491] close(27) = -1 EBADF (Bad file descriptor) [pid 491] close(28) = -1 EBADF (Bad file descriptor) [pid 491] close(29) = -1 EBADF (Bad file descriptor) [pid 491] exit_group(0) = ? [pid 491] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./193/binderfs") = 0 [pid 297] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./193/cgroup.net") = 0 [pid 297] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./193/cgroup.cpu") = 0 [pid 297] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./193/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./193/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./193") = 0 [pid 297] mkdir("./194", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 492 attached , child_tidptr=0x555565b1f650) = 196 [pid 492] set_robust_list(0x555565b1f660, 24) = 0 [pid 492] chdir("./194") = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 492] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 492] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3) = 0 [pid 492] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 492] write(1, "executing program\n", 18) = 18 [ 28.644682][ T490] incfs: Error allocating mount info. -12 [ 28.650461][ T490] incfs: mount failed -12 [ 28.670024][ T491] incfs: Error allocating mount info. -12 [ 28.675766][ T491] incfs: mount failed -12 [pid 492] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 492] close(3) = -1 EBADF (Bad file descriptor) [pid 492] close(4) = -1 EBADF (Bad file descriptor) [pid 492] close(5) = -1 EBADF (Bad file descriptor) [pid 492] close(6) = -1 EBADF (Bad file descriptor) [pid 492] close(7) = -1 EBADF (Bad file descriptor) [pid 492] close(8) = -1 EBADF (Bad file descriptor) [pid 492] close(9) = -1 EBADF (Bad file descriptor) [pid 492] close(10) = -1 EBADF (Bad file descriptor) [pid 492] close(11) = -1 EBADF (Bad file descriptor) [pid 492] close(12) = -1 EBADF (Bad file descriptor) [pid 492] close(13) = -1 EBADF (Bad file descriptor) [pid 492] close(14) = -1 EBADF (Bad file descriptor) [pid 492] close(15) = -1 EBADF (Bad file descriptor) [pid 492] close(16) = -1 EBADF (Bad file descriptor) [pid 492] close(17) = -1 EBADF (Bad file descriptor) [pid 492] close(18) = -1 EBADF (Bad file descriptor) [pid 492] close(19) = -1 EBADF (Bad file descriptor) [pid 492] close(20) = -1 EBADF (Bad file descriptor) [pid 492] close(21) = -1 EBADF (Bad file descriptor) [pid 492] close(22) = -1 EBADF (Bad file descriptor) [pid 492] close(23) = -1 EBADF (Bad file descriptor) [pid 492] close(24) = -1 EBADF (Bad file descriptor) [pid 492] close(25) = -1 EBADF (Bad file descriptor) [pid 492] close(26) = -1 EBADF (Bad file descriptor) [pid 492] close(27) = -1 EBADF (Bad file descriptor) [pid 492] close(28) = -1 EBADF (Bad file descriptor) [pid 492] close(29) = -1 EBADF (Bad file descriptor) [pid 492] exit_group(0) = ? [pid 492] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./194/binderfs") = 0 [pid 297] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./194/cgroup.net") = 0 [pid 297] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./194/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./194/cgroup.cpu") = 0 [pid 297] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./194/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./194/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./194") = 0 [pid 297] mkdir("./195", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 493 attached , child_tidptr=0x555565b1f650) = 197 [pid 493] set_robust_list(0x555565b1f660, 24) = 0 [pid 493] chdir("./195") = 0 [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 493] setpgid(0, 0) = 0 [pid 493] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 493] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 493] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 493] write(3, "1000", 4) = 4 [pid 493] close(3) = 0 [pid 493] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 493] write(1, "executing program\n", 18) = 18 [pid 493] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 493] close(3) = -1 EBADF (Bad file descriptor) [pid 493] close(4) = -1 EBADF (Bad file descriptor) [pid 493] close(5) = -1 EBADF (Bad file descriptor) [pid 493] close(6) = -1 EBADF (Bad file descriptor) [pid 493] close(7) = -1 EBADF (Bad file descriptor) [pid 493] close(8) = -1 EBADF (Bad file descriptor) [pid 493] close(9) = -1 EBADF (Bad file descriptor) [pid 493] close(10) = -1 EBADF (Bad file descriptor) [pid 493] close(11) = -1 EBADF (Bad file descriptor) [pid 493] close(12) = -1 EBADF (Bad file descriptor) [pid 493] close(13) = -1 EBADF (Bad file descriptor) [pid 493] close(14) = -1 EBADF (Bad file descriptor) [pid 493] close(15) = -1 EBADF (Bad file descriptor) [pid 493] close(16) = -1 EBADF (Bad file descriptor) [pid 493] close(17) = -1 EBADF (Bad file descriptor) [pid 493] close(18) = -1 EBADF (Bad file descriptor) [pid 493] close(19) = -1 EBADF (Bad file descriptor) [pid 493] close(20) = -1 EBADF (Bad file descriptor) [pid 493] close(21) = -1 EBADF (Bad file descriptor) [pid 493] close(22) = -1 EBADF (Bad file descriptor) [pid 493] close(23) = -1 EBADF (Bad file descriptor) [pid 493] close(24) = -1 EBADF (Bad file descriptor) [pid 493] close(25) = -1 EBADF (Bad file descriptor) [pid 493] close(26) = -1 EBADF (Bad file descriptor) [pid 493] close(27) = -1 EBADF (Bad file descriptor) [pid 493] close(28) = -1 EBADF (Bad file descriptor) [pid 493] close(29) = -1 EBADF (Bad file descriptor) [pid 493] exit_group(0) = ? [pid 493] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./195/binderfs") = 0 [pid 297] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./195/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./195/cgroup.net") = 0 [pid 297] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./195/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./195/cgroup.cpu") = 0 [pid 297] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./195/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./195/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./195") = 0 [pid 297] mkdir("./196", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 198 ./strace-static-x86_64: Process 494 attached [pid 494] set_robust_list(0x555565b1f660, 24) = 0 [pid 494] chdir("./196") = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 494] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 494] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 [pid 494] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 494] write(1, "executing program\n", 18) = 18 [ 28.693011][ T492] incfs: Error allocating mount info. -12 [ 28.698784][ T492] incfs: mount failed -12 [ 28.718805][ T493] incfs: Error allocating mount info. -12 [ 28.724535][ T493] incfs: mount failed -12 [pid 494] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 494] close(3) = -1 EBADF (Bad file descriptor) [pid 494] close(4) = -1 EBADF (Bad file descriptor) [pid 494] close(5) = -1 EBADF (Bad file descriptor) [pid 494] close(6) = -1 EBADF (Bad file descriptor) [pid 494] close(7) = -1 EBADF (Bad file descriptor) [pid 494] close(8) = -1 EBADF (Bad file descriptor) [pid 494] close(9) = -1 EBADF (Bad file descriptor) [pid 494] close(10) = -1 EBADF (Bad file descriptor) [pid 494] close(11) = -1 EBADF (Bad file descriptor) [pid 494] close(12) = -1 EBADF (Bad file descriptor) [pid 494] close(13) = -1 EBADF (Bad file descriptor) [pid 494] close(14) = -1 EBADF (Bad file descriptor) [pid 494] close(15) = -1 EBADF (Bad file descriptor) [pid 494] close(16) = -1 EBADF (Bad file descriptor) [pid 494] close(17) = -1 EBADF (Bad file descriptor) [pid 494] close(18) = -1 EBADF (Bad file descriptor) [pid 494] close(19) = -1 EBADF (Bad file descriptor) [pid 494] close(20) = -1 EBADF (Bad file descriptor) [pid 494] close(21) = -1 EBADF (Bad file descriptor) [pid 494] close(22) = -1 EBADF (Bad file descriptor) [pid 494] close(23) = -1 EBADF (Bad file descriptor) [pid 494] close(24) = -1 EBADF (Bad file descriptor) [pid 494] close(25) = -1 EBADF (Bad file descriptor) [pid 494] close(26) = -1 EBADF (Bad file descriptor) [pid 494] close(27) = -1 EBADF (Bad file descriptor) [pid 494] close(28) = -1 EBADF (Bad file descriptor) [pid 494] close(29) = -1 EBADF (Bad file descriptor) [pid 494] exit_group(0) = ? [pid 494] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./196/binderfs") = 0 [pid 297] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./196/cgroup.net") = 0 [pid 297] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./196/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./196/cgroup.cpu") = 0 [pid 297] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./196/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./196") = 0 [pid 297] mkdir("./197", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 199 ./strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x555565b1f660, 24) = 0 [pid 495] chdir("./197") = 0 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 495] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 495] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 [pid 495] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 495] write(1, "executing program\n", 18) = 18 [pid 495] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 495] close(3) = -1 EBADF (Bad file descriptor) [pid 495] close(4) = -1 EBADF (Bad file descriptor) [pid 495] close(5) = -1 EBADF (Bad file descriptor) [pid 495] close(6) = -1 EBADF (Bad file descriptor) [pid 495] close(7) = -1 EBADF (Bad file descriptor) [pid 495] close(8) = -1 EBADF (Bad file descriptor) [pid 495] close(9) = -1 EBADF (Bad file descriptor) [pid 495] close(10) = -1 EBADF (Bad file descriptor) [pid 495] close(11) = -1 EBADF (Bad file descriptor) [pid 495] close(12) = -1 EBADF (Bad file descriptor) [pid 495] close(13) = -1 EBADF (Bad file descriptor) [pid 495] close(14) = -1 EBADF (Bad file descriptor) [pid 495] close(15) = -1 EBADF (Bad file descriptor) [pid 495] close(16) = -1 EBADF (Bad file descriptor) [pid 495] close(17) = -1 EBADF (Bad file descriptor) [pid 495] close(18) = -1 EBADF (Bad file descriptor) [pid 495] close(19) = -1 EBADF (Bad file descriptor) [pid 495] close(20) = -1 EBADF (Bad file descriptor) [pid 495] close(21) = -1 EBADF (Bad file descriptor) [pid 495] close(22) = -1 EBADF (Bad file descriptor) [pid 495] close(23) = -1 EBADF (Bad file descriptor) [pid 495] close(24) = -1 EBADF (Bad file descriptor) [pid 495] close(25) = -1 EBADF (Bad file descriptor) [pid 495] close(26) = -1 EBADF (Bad file descriptor) [pid 495] close(27) = -1 EBADF (Bad file descriptor) [pid 495] close(28) = -1 EBADF (Bad file descriptor) [pid 495] close(29) = -1 EBADF (Bad file descriptor) [pid 495] exit_group(0) = ? [pid 495] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./197/binderfs") = 0 [pid 297] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./197/cgroup.net") = 0 [pid 297] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./197/cgroup.cpu") = 0 [pid 297] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./197/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./197") = 0 [pid 297] mkdir("./198", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 496 attached , child_tidptr=0x555565b1f650) = 200 [pid 496] set_robust_list(0x555565b1f660, 24) = 0 [pid 496] chdir("./198") = 0 [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 496] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 496] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 496] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 496] close(3) = 0 [pid 496] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 496] write(1, "executing program\n", 18) = 18 [ 28.745341][ T494] incfs: Error allocating mount info. -12 [ 28.751125][ T494] incfs: mount failed -12 [ 28.774296][ T495] incfs: Error allocating mount info. -12 [ 28.780076][ T495] incfs: mount failed -12 [pid 496] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 496] close(3) = -1 EBADF (Bad file descriptor) [pid 496] close(4) = -1 EBADF (Bad file descriptor) [pid 496] close(5) = -1 EBADF (Bad file descriptor) [pid 496] close(6) = -1 EBADF (Bad file descriptor) [pid 496] close(7) = -1 EBADF (Bad file descriptor) [pid 496] close(8) = -1 EBADF (Bad file descriptor) [pid 496] close(9) = -1 EBADF (Bad file descriptor) [pid 496] close(10) = -1 EBADF (Bad file descriptor) [pid 496] close(11) = -1 EBADF (Bad file descriptor) [pid 496] close(12) = -1 EBADF (Bad file descriptor) [pid 496] close(13) = -1 EBADF (Bad file descriptor) [pid 496] close(14) = -1 EBADF (Bad file descriptor) [pid 496] close(15) = -1 EBADF (Bad file descriptor) [pid 496] close(16) = -1 EBADF (Bad file descriptor) [pid 496] close(17) = -1 EBADF (Bad file descriptor) [pid 496] close(18) = -1 EBADF (Bad file descriptor) [pid 496] close(19) = -1 EBADF (Bad file descriptor) [pid 496] close(20) = -1 EBADF (Bad file descriptor) [pid 496] close(21) = -1 EBADF (Bad file descriptor) [pid 496] close(22) = -1 EBADF (Bad file descriptor) [pid 496] close(23) = -1 EBADF (Bad file descriptor) [pid 496] close(24) = -1 EBADF (Bad file descriptor) [pid 496] close(25) = -1 EBADF (Bad file descriptor) [pid 496] close(26) = -1 EBADF (Bad file descriptor) [pid 496] close(27) = -1 EBADF (Bad file descriptor) [pid 496] close(28) = -1 EBADF (Bad file descriptor) [pid 496] close(29) = -1 EBADF (Bad file descriptor) [pid 496] exit_group(0) = ? [pid 496] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./198/binderfs") = 0 [pid 297] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./198/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./198/cgroup.net") = 0 [pid 297] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./198/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./198/cgroup.cpu") = 0 [pid 297] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./198/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./198/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./198") = 0 [pid 297] mkdir("./199", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 201 ./strace-static-x86_64: Process 497 attached [pid 497] set_robust_list(0x555565b1f660, 24) = 0 [pid 497] chdir("./199") = 0 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 497] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 497] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 executing program [pid 497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 497] write(1, "executing program\n", 18) = 18 [pid 497] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 497] close(3) = -1 EBADF (Bad file descriptor) [pid 497] close(4) = -1 EBADF (Bad file descriptor) [pid 497] close(5) = -1 EBADF (Bad file descriptor) [pid 497] close(6) = -1 EBADF (Bad file descriptor) [pid 497] close(7) = -1 EBADF (Bad file descriptor) [pid 497] close(8) = -1 EBADF (Bad file descriptor) [pid 497] close(9) = -1 EBADF (Bad file descriptor) [pid 497] close(10) = -1 EBADF (Bad file descriptor) [pid 497] close(11) = -1 EBADF (Bad file descriptor) [pid 497] close(12) = -1 EBADF (Bad file descriptor) [pid 497] close(13) = -1 EBADF (Bad file descriptor) [pid 497] close(14) = -1 EBADF (Bad file descriptor) [pid 497] close(15) = -1 EBADF (Bad file descriptor) [pid 497] close(16) = -1 EBADF (Bad file descriptor) [pid 497] close(17) = -1 EBADF (Bad file descriptor) [pid 497] close(18) = -1 EBADF (Bad file descriptor) [pid 497] close(19) = -1 EBADF (Bad file descriptor) [pid 497] close(20) = -1 EBADF (Bad file descriptor) [pid 497] close(21) = -1 EBADF (Bad file descriptor) [pid 497] close(22) = -1 EBADF (Bad file descriptor) [pid 497] close(23) = -1 EBADF (Bad file descriptor) [pid 497] close(24) = -1 EBADF (Bad file descriptor) [pid 497] close(25) = -1 EBADF (Bad file descriptor) [pid 497] close(26) = -1 EBADF (Bad file descriptor) [pid 497] close(27) = -1 EBADF (Bad file descriptor) [pid 497] close(28) = -1 EBADF (Bad file descriptor) [pid 497] close(29) = -1 EBADF (Bad file descriptor) [pid 497] exit_group(0) = ? [pid 497] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./199/binderfs") = 0 [pid 297] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./199/cgroup.net") = 0 [pid 297] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./199/cgroup.cpu") = 0 [pid 297] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./199/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./199") = 0 [pid 297] mkdir("./200", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 202 ./strace-static-x86_64: Process 498 attached [pid 498] set_robust_list(0x555565b1f660, 24) = 0 [pid 498] chdir("./200") = 0 [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 498] setpgid(0, 0) = 0 [pid 498] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 498] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 498] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] write(3, "1000", 4) = 4 [pid 498] close(3) = 0 [pid 498] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 498] write(1, "executing program\n", 18) = 18 [ 28.801007][ T496] incfs: Error allocating mount info. -12 [ 28.806759][ T496] incfs: mount failed -12 [ 28.828603][ T497] incfs: Error allocating mount info. -12 [ 28.834339][ T497] incfs: mount failed -12 [pid 498] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 498] close(3) = -1 EBADF (Bad file descriptor) [pid 498] close(4) = -1 EBADF (Bad file descriptor) [pid 498] close(5) = -1 EBADF (Bad file descriptor) [pid 498] close(6) = -1 EBADF (Bad file descriptor) [pid 498] close(7) = -1 EBADF (Bad file descriptor) [pid 498] close(8) = -1 EBADF (Bad file descriptor) [pid 498] close(9) = -1 EBADF (Bad file descriptor) [pid 498] close(10) = -1 EBADF (Bad file descriptor) [pid 498] close(11) = -1 EBADF (Bad file descriptor) [pid 498] close(12) = -1 EBADF (Bad file descriptor) [pid 498] close(13) = -1 EBADF (Bad file descriptor) [pid 498] close(14) = -1 EBADF (Bad file descriptor) [pid 498] close(15) = -1 EBADF (Bad file descriptor) [pid 498] close(16) = -1 EBADF (Bad file descriptor) [pid 498] close(17) = -1 EBADF (Bad file descriptor) [pid 498] close(18) = -1 EBADF (Bad file descriptor) [pid 498] close(19) = -1 EBADF (Bad file descriptor) [pid 498] close(20) = -1 EBADF (Bad file descriptor) [pid 498] close(21) = -1 EBADF (Bad file descriptor) [pid 498] close(22) = -1 EBADF (Bad file descriptor) [pid 498] close(23) = -1 EBADF (Bad file descriptor) [pid 498] close(24) = -1 EBADF (Bad file descriptor) [pid 498] close(25) = -1 EBADF (Bad file descriptor) [pid 498] close(26) = -1 EBADF (Bad file descriptor) [pid 498] close(27) = -1 EBADF (Bad file descriptor) [pid 498] close(28) = -1 EBADF (Bad file descriptor) [pid 498] close(29) = -1 EBADF (Bad file descriptor) [pid 498] exit_group(0) = ? [pid 498] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./200/binderfs") = 0 [pid 297] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./200/cgroup.net") = 0 [pid 297] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./200/cgroup.cpu") = 0 [pid 297] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./200/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./200/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./200") = 0 [pid 297] mkdir("./201", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 203 ./strace-static-x86_64: Process 499 attached [pid 499] set_robust_list(0x555565b1f660, 24) = 0 [pid 499] chdir("./201") = 0 [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 499] setpgid(0, 0) = 0 [pid 499] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 499] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 499] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 499] write(3, "1000", 4) = 4 [pid 499] close(3) = 0 [pid 499] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 499] write(1, "executing program\n", 18) = 18 [pid 499] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 499] close(3) = -1 EBADF (Bad file descriptor) [pid 499] close(4) = -1 EBADF (Bad file descriptor) [pid 499] close(5) = -1 EBADF (Bad file descriptor) [pid 499] close(6) = -1 EBADF (Bad file descriptor) [pid 499] close(7) = -1 EBADF (Bad file descriptor) [pid 499] close(8) = -1 EBADF (Bad file descriptor) [pid 499] close(9) = -1 EBADF (Bad file descriptor) [pid 499] close(10) = -1 EBADF (Bad file descriptor) [pid 499] close(11) = -1 EBADF (Bad file descriptor) [pid 499] close(12) = -1 EBADF (Bad file descriptor) [pid 499] close(13) = -1 EBADF (Bad file descriptor) [pid 499] close(14) = -1 EBADF (Bad file descriptor) [pid 499] close(15) = -1 EBADF (Bad file descriptor) [pid 499] close(16) = -1 EBADF (Bad file descriptor) [pid 499] close(17) = -1 EBADF (Bad file descriptor) [pid 499] close(18) = -1 EBADF (Bad file descriptor) [pid 499] close(19) = -1 EBADF (Bad file descriptor) [pid 499] close(20) = -1 EBADF (Bad file descriptor) [pid 499] close(21) = -1 EBADF (Bad file descriptor) [pid 499] close(22) = -1 EBADF (Bad file descriptor) [pid 499] close(23) = -1 EBADF (Bad file descriptor) [pid 499] close(24) = -1 EBADF (Bad file descriptor) [pid 499] close(25) = -1 EBADF (Bad file descriptor) [pid 499] close(26) = -1 EBADF (Bad file descriptor) [pid 499] close(27) = -1 EBADF (Bad file descriptor) [pid 499] close(28) = -1 EBADF (Bad file descriptor) [pid 499] close(29) = -1 EBADF (Bad file descriptor) [pid 499] exit_group(0) = ? [pid 499] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./201/binderfs") = 0 [pid 297] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./201/cgroup.net") = 0 [pid 297] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./201/cgroup.cpu") = 0 [pid 297] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./201/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./201") = 0 [pid 297] mkdir("./202", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 204 ./strace-static-x86_64: Process 500 attached [pid 500] set_robust_list(0x555565b1f660, 24) = 0 [pid 500] chdir("./202") = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 500] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 500] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] symlink("/dev/binderfs", "./binderfs") = 0 [pid 500] write(1, "executing program\n", 18executing program ) = 18 [ 28.851403][ T498] incfs: Error allocating mount info. -12 [ 28.857188][ T498] incfs: mount failed -12 [ 28.878973][ T499] incfs: Error allocating mount info. -12 [ 28.884748][ T499] incfs: mount failed -12 [pid 500] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 500] close(3) = -1 EBADF (Bad file descriptor) [pid 500] close(4) = -1 EBADF (Bad file descriptor) [pid 500] close(5) = -1 EBADF (Bad file descriptor) [pid 500] close(6) = -1 EBADF (Bad file descriptor) [pid 500] close(7) = -1 EBADF (Bad file descriptor) [pid 500] close(8) = -1 EBADF (Bad file descriptor) [pid 500] close(9) = -1 EBADF (Bad file descriptor) [pid 500] close(10) = -1 EBADF (Bad file descriptor) [pid 500] close(11) = -1 EBADF (Bad file descriptor) [pid 500] close(12) = -1 EBADF (Bad file descriptor) [pid 500] close(13) = -1 EBADF (Bad file descriptor) [pid 500] close(14) = -1 EBADF (Bad file descriptor) [pid 500] close(15) = -1 EBADF (Bad file descriptor) [pid 500] close(16) = -1 EBADF (Bad file descriptor) [pid 500] close(17) = -1 EBADF (Bad file descriptor) [pid 500] close(18) = -1 EBADF (Bad file descriptor) [pid 500] close(19) = -1 EBADF (Bad file descriptor) [pid 500] close(20) = -1 EBADF (Bad file descriptor) [pid 500] close(21) = -1 EBADF (Bad file descriptor) [pid 500] close(22) = -1 EBADF (Bad file descriptor) [pid 500] close(23) = -1 EBADF (Bad file descriptor) [pid 500] close(24) = -1 EBADF (Bad file descriptor) [pid 500] close(25) = -1 EBADF (Bad file descriptor) [pid 500] close(26) = -1 EBADF (Bad file descriptor) [pid 500] close(27) = -1 EBADF (Bad file descriptor) [pid 500] close(28) = -1 EBADF (Bad file descriptor) [pid 500] close(29) = -1 EBADF (Bad file descriptor) [pid 500] exit_group(0) = ? [pid 500] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./202/binderfs") = 0 [pid 297] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./202/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./202/cgroup.net") = 0 [pid 297] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./202/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./202/cgroup.cpu") = 0 [pid 297] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./202/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./202/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./202") = 0 [pid 297] mkdir("./203", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 501 attached , child_tidptr=0x555565b1f650) = 205 [pid 501] set_robust_list(0x555565b1f660, 24) = 0 [pid 501] chdir("./203") = 0 [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 501] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 501] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 501] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 501] symlink("/dev/binderfs", "./binderfs") = 0 [pid 501] write(1, "executing program\n", 18executing program ) = 18 [pid 501] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 501] close(3) = -1 EBADF (Bad file descriptor) [pid 501] close(4) = -1 EBADF (Bad file descriptor) [pid 501] close(5) = -1 EBADF (Bad file descriptor) [pid 501] close(6) = -1 EBADF (Bad file descriptor) [pid 501] close(7) = -1 EBADF (Bad file descriptor) [pid 501] close(8) = -1 EBADF (Bad file descriptor) [pid 501] close(9) = -1 EBADF (Bad file descriptor) [pid 501] close(10) = -1 EBADF (Bad file descriptor) [pid 501] close(11) = -1 EBADF (Bad file descriptor) [pid 501] close(12) = -1 EBADF (Bad file descriptor) [pid 501] close(13) = -1 EBADF (Bad file descriptor) [pid 501] close(14) = -1 EBADF (Bad file descriptor) [pid 501] close(15) = -1 EBADF (Bad file descriptor) [pid 501] close(16) = -1 EBADF (Bad file descriptor) [pid 501] close(17) = -1 EBADF (Bad file descriptor) [pid 501] close(18) = -1 EBADF (Bad file descriptor) [pid 501] close(19) = -1 EBADF (Bad file descriptor) [pid 501] close(20) = -1 EBADF (Bad file descriptor) [pid 501] close(21) = -1 EBADF (Bad file descriptor) [pid 501] close(22) = -1 EBADF (Bad file descriptor) [pid 501] close(23) = -1 EBADF (Bad file descriptor) [pid 501] close(24) = -1 EBADF (Bad file descriptor) [pid 501] close(25) = -1 EBADF (Bad file descriptor) [pid 501] close(26) = -1 EBADF (Bad file descriptor) [pid 501] close(27) = -1 EBADF (Bad file descriptor) [pid 501] close(28) = -1 EBADF (Bad file descriptor) [pid 501] close(29) = -1 EBADF (Bad file descriptor) [pid 501] exit_group(0) = ? [pid 501] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./203/binderfs") = 0 [pid 297] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./203/cgroup.net") = 0 [pid 297] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./203/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./203/cgroup.cpu") = 0 [pid 297] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./203/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./203/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./203") = 0 [pid 297] mkdir("./204", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 206 ./strace-static-x86_64: Process 502 attached [pid 502] set_robust_list(0x555565b1f660, 24) = 0 [pid 502] chdir("./204") = 0 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 502] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 502] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 502] write(1, "executing program\n", 18) = 18 [ 28.908527][ T500] incfs: Error allocating mount info. -12 [ 28.914263][ T500] incfs: mount failed -12 [ 28.934991][ T501] incfs: Error allocating mount info. -12 [ 28.940776][ T501] incfs: mount failed -12 [pid 502] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 502] close(3) = -1 EBADF (Bad file descriptor) [pid 502] close(4) = -1 EBADF (Bad file descriptor) [pid 502] close(5) = -1 EBADF (Bad file descriptor) [pid 502] close(6) = -1 EBADF (Bad file descriptor) [pid 502] close(7) = -1 EBADF (Bad file descriptor) [pid 502] close(8) = -1 EBADF (Bad file descriptor) [pid 502] close(9) = -1 EBADF (Bad file descriptor) [pid 502] close(10) = -1 EBADF (Bad file descriptor) [pid 502] close(11) = -1 EBADF (Bad file descriptor) [pid 502] close(12) = -1 EBADF (Bad file descriptor) [pid 502] close(13) = -1 EBADF (Bad file descriptor) [pid 502] close(14) = -1 EBADF (Bad file descriptor) [pid 502] close(15) = -1 EBADF (Bad file descriptor) [pid 502] close(16) = -1 EBADF (Bad file descriptor) [pid 502] close(17) = -1 EBADF (Bad file descriptor) [pid 502] close(18) = -1 EBADF (Bad file descriptor) [pid 502] close(19) = -1 EBADF (Bad file descriptor) [pid 502] close(20) = -1 EBADF (Bad file descriptor) [pid 502] close(21) = -1 EBADF (Bad file descriptor) [pid 502] close(22) = -1 EBADF (Bad file descriptor) [pid 502] close(23) = -1 EBADF (Bad file descriptor) [pid 502] close(24) = -1 EBADF (Bad file descriptor) [pid 502] close(25) = -1 EBADF (Bad file descriptor) [pid 502] close(26) = -1 EBADF (Bad file descriptor) [pid 502] close(27) = -1 EBADF (Bad file descriptor) [pid 502] close(28) = -1 EBADF (Bad file descriptor) [pid 502] close(29) = -1 EBADF (Bad file descriptor) [pid 502] exit_group(0) = ? [pid 502] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./204/binderfs") = 0 [pid 297] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./204/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./204/cgroup.net") = 0 [pid 297] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./204/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./204/cgroup.cpu") = 0 [pid 297] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./204/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./204/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./204") = 0 [pid 297] mkdir("./205", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 207 ./strace-static-x86_64: Process 503 attached [pid 503] set_robust_list(0x555565b1f660, 24) = 0 [pid 503] chdir("./205") = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 503] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 503] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 503] write(1, "executing program\n", 18) = 18 [pid 503] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 503] close(3) = -1 EBADF (Bad file descriptor) [pid 503] close(4) = -1 EBADF (Bad file descriptor) [pid 503] close(5) = -1 EBADF (Bad file descriptor) [pid 503] close(6) = -1 EBADF (Bad file descriptor) [pid 503] close(7) = -1 EBADF (Bad file descriptor) [pid 503] close(8) = -1 EBADF (Bad file descriptor) [pid 503] close(9) = -1 EBADF (Bad file descriptor) [pid 503] close(10) = -1 EBADF (Bad file descriptor) [pid 503] close(11) = -1 EBADF (Bad file descriptor) [pid 503] close(12) = -1 EBADF (Bad file descriptor) [pid 503] close(13) = -1 EBADF (Bad file descriptor) [pid 503] close(14) = -1 EBADF (Bad file descriptor) [pid 503] close(15) = -1 EBADF (Bad file descriptor) [pid 503] close(16) = -1 EBADF (Bad file descriptor) [pid 503] close(17) = -1 EBADF (Bad file descriptor) [pid 503] close(18) = -1 EBADF (Bad file descriptor) [pid 503] close(19) = -1 EBADF (Bad file descriptor) [pid 503] close(20) = -1 EBADF (Bad file descriptor) [pid 503] close(21) = -1 EBADF (Bad file descriptor) [pid 503] close(22) = -1 EBADF (Bad file descriptor) [pid 503] close(23) = -1 EBADF (Bad file descriptor) [pid 503] close(24) = -1 EBADF (Bad file descriptor) [pid 503] close(25) = -1 EBADF (Bad file descriptor) [pid 503] close(26) = -1 EBADF (Bad file descriptor) [pid 503] close(27) = -1 EBADF (Bad file descriptor) [pid 503] close(28) = -1 EBADF (Bad file descriptor) [pid 503] close(29) = -1 EBADF (Bad file descriptor) [pid 503] exit_group(0) = ? [pid 503] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./205/binderfs") = 0 [pid 297] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./205/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./205/cgroup.net") = 0 [pid 297] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./205/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./205/cgroup.cpu") = 0 [pid 297] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./205/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./205/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./205") = 0 [pid 297] mkdir("./206", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 208 ./strace-static-x86_64: Process 504 attached [pid 504] set_robust_list(0x555565b1f660, 24) = 0 [pid 504] chdir("./206") = 0 [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 504] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 504] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 504] write(1, "executing program\n", 18) = 18 [ 28.962679][ T502] incfs: Error allocating mount info. -12 [ 28.968522][ T502] incfs: mount failed -12 [ 28.986073][ T503] incfs: Error allocating mount info. -12 [ 28.991857][ T503] incfs: mount failed -12 [pid 504] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 504] close(3) = -1 EBADF (Bad file descriptor) [pid 504] close(4) = -1 EBADF (Bad file descriptor) [pid 504] close(5) = -1 EBADF (Bad file descriptor) [pid 504] close(6) = -1 EBADF (Bad file descriptor) [pid 504] close(7) = -1 EBADF (Bad file descriptor) [pid 504] close(8) = -1 EBADF (Bad file descriptor) [pid 504] close(9) = -1 EBADF (Bad file descriptor) [pid 504] close(10) = -1 EBADF (Bad file descriptor) [pid 504] close(11) = -1 EBADF (Bad file descriptor) [pid 504] close(12) = -1 EBADF (Bad file descriptor) [pid 504] close(13) = -1 EBADF (Bad file descriptor) [pid 504] close(14) = -1 EBADF (Bad file descriptor) [pid 504] close(15) = -1 EBADF (Bad file descriptor) [pid 504] close(16) = -1 EBADF (Bad file descriptor) [pid 504] close(17) = -1 EBADF (Bad file descriptor) [pid 504] close(18) = -1 EBADF (Bad file descriptor) [pid 504] close(19) = -1 EBADF (Bad file descriptor) [pid 504] close(20) = -1 EBADF (Bad file descriptor) [pid 504] close(21) = -1 EBADF (Bad file descriptor) [pid 504] close(22) = -1 EBADF (Bad file descriptor) [pid 504] close(23) = -1 EBADF (Bad file descriptor) [pid 504] close(24) = -1 EBADF (Bad file descriptor) [pid 504] close(25) = -1 EBADF (Bad file descriptor) [pid 504] close(26) = -1 EBADF (Bad file descriptor) [pid 504] close(27) = -1 EBADF (Bad file descriptor) [pid 504] close(28) = -1 EBADF (Bad file descriptor) [pid 504] close(29) = -1 EBADF (Bad file descriptor) [pid 504] exit_group(0) = ? [pid 504] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./206/binderfs") = 0 [pid 297] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./206/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./206/cgroup.net") = 0 [pid 297] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./206/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./206/cgroup.cpu") = 0 [pid 297] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./206/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./206/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./206") = 0 [pid 297] mkdir("./207", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 209 ./strace-static-x86_64: Process 505 attached [pid 505] set_robust_list(0x555565b1f660, 24) = 0 [pid 505] chdir("./207") = 0 [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 505] setpgid(0, 0) = 0 [pid 505] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 505] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 505] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 505] write(3, "1000", 4) = 4 [pid 505] close(3) = 0 [pid 505] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 505] write(1, "executing program\n", 18) = 18 [pid 505] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 505] close(3) = -1 EBADF (Bad file descriptor) [pid 505] close(4) = -1 EBADF (Bad file descriptor) [pid 505] close(5) = -1 EBADF (Bad file descriptor) [pid 505] close(6) = -1 EBADF (Bad file descriptor) [pid 505] close(7) = -1 EBADF (Bad file descriptor) [pid 505] close(8) = -1 EBADF (Bad file descriptor) [pid 505] close(9) = -1 EBADF (Bad file descriptor) [pid 505] close(10) = -1 EBADF (Bad file descriptor) [pid 505] close(11) = -1 EBADF (Bad file descriptor) [pid 505] close(12) = -1 EBADF (Bad file descriptor) [pid 505] close(13) = -1 EBADF (Bad file descriptor) [pid 505] close(14) = -1 EBADF (Bad file descriptor) [pid 505] close(15) = -1 EBADF (Bad file descriptor) [pid 505] close(16) = -1 EBADF (Bad file descriptor) [pid 505] close(17) = -1 EBADF (Bad file descriptor) [pid 505] close(18) = -1 EBADF (Bad file descriptor) [pid 505] close(19) = -1 EBADF (Bad file descriptor) [pid 505] close(20) = -1 EBADF (Bad file descriptor) [pid 505] close(21) = -1 EBADF (Bad file descriptor) [pid 505] close(22) = -1 EBADF (Bad file descriptor) [pid 505] close(23) = -1 EBADF (Bad file descriptor) [pid 505] close(24) = -1 EBADF (Bad file descriptor) [pid 505] close(25) = -1 EBADF (Bad file descriptor) [pid 505] close(26) = -1 EBADF (Bad file descriptor) [pid 505] close(27) = -1 EBADF (Bad file descriptor) [pid 505] close(28) = -1 EBADF (Bad file descriptor) [pid 505] close(29) = -1 EBADF (Bad file descriptor) [pid 505] exit_group(0) = ? [pid 505] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./207/binderfs") = 0 [pid 297] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./207/cgroup.net") = 0 [pid 297] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./207/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./207/cgroup.cpu") = 0 [pid 297] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./207/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./207/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./207") = 0 [pid 297] mkdir("./208", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 210 ./strace-static-x86_64: Process 506 attached [pid 506] set_robust_list(0x555565b1f660, 24) = 0 [pid 506] chdir("./208") = 0 [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 506] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 506] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 [pid 506] close(3) = 0 [pid 506] symlink("/dev/binderfs", "./binderfs") = 0 [pid 506] write(1, "executing program\n", 18executing program ) = 18 [ 29.012386][ T504] incfs: Error allocating mount info. -12 [ 29.018130][ T504] incfs: mount failed -12 [ 29.040619][ T505] incfs: Error allocating mount info. -12 [ 29.046373][ T505] incfs: mount failed -12 [pid 506] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 506] close(3) = -1 EBADF (Bad file descriptor) [pid 506] close(4) = -1 EBADF (Bad file descriptor) [pid 506] close(5) = -1 EBADF (Bad file descriptor) [pid 506] close(6) = -1 EBADF (Bad file descriptor) [pid 506] close(7) = -1 EBADF (Bad file descriptor) [pid 506] close(8) = -1 EBADF (Bad file descriptor) [pid 506] close(9) = -1 EBADF (Bad file descriptor) [pid 506] close(10) = -1 EBADF (Bad file descriptor) [pid 506] close(11) = -1 EBADF (Bad file descriptor) [pid 506] close(12) = -1 EBADF (Bad file descriptor) [pid 506] close(13) = -1 EBADF (Bad file descriptor) [pid 506] close(14) = -1 EBADF (Bad file descriptor) [pid 506] close(15) = -1 EBADF (Bad file descriptor) [pid 506] close(16) = -1 EBADF (Bad file descriptor) [pid 506] close(17) = -1 EBADF (Bad file descriptor) [pid 506] close(18) = -1 EBADF (Bad file descriptor) [pid 506] close(19) = -1 EBADF (Bad file descriptor) [pid 506] close(20) = -1 EBADF (Bad file descriptor) [pid 506] close(21) = -1 EBADF (Bad file descriptor) [pid 506] close(22) = -1 EBADF (Bad file descriptor) [pid 506] close(23) = -1 EBADF (Bad file descriptor) [pid 506] close(24) = -1 EBADF (Bad file descriptor) [pid 506] close(25) = -1 EBADF (Bad file descriptor) [pid 506] close(26) = -1 EBADF (Bad file descriptor) [pid 506] close(27) = -1 EBADF (Bad file descriptor) [pid 506] close(28) = -1 EBADF (Bad file descriptor) [pid 506] close(29) = -1 EBADF (Bad file descriptor) [pid 506] exit_group(0) = ? [pid 506] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./208/binderfs") = 0 [pid 297] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./208/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./208/cgroup.net") = 0 [pid 297] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./208/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./208/cgroup.cpu") = 0 [pid 297] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./208/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./208/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./208") = 0 [pid 297] mkdir("./209", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 211 ./strace-static-x86_64: Process 507 attached [pid 507] set_robust_list(0x555565b1f660, 24) = 0 [pid 507] chdir("./209") = 0 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 507] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 507] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 507] write(1, "executing program\n", 18) = 18 [pid 507] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 507] close(3) = -1 EBADF (Bad file descriptor) [pid 507] close(4) = -1 EBADF (Bad file descriptor) [pid 507] close(5) = -1 EBADF (Bad file descriptor) [pid 507] close(6) = -1 EBADF (Bad file descriptor) [pid 507] close(7) = -1 EBADF (Bad file descriptor) [pid 507] close(8) = -1 EBADF (Bad file descriptor) [pid 507] close(9) = -1 EBADF (Bad file descriptor) [pid 507] close(10) = -1 EBADF (Bad file descriptor) [pid 507] close(11) = -1 EBADF (Bad file descriptor) [pid 507] close(12) = -1 EBADF (Bad file descriptor) [pid 507] close(13) = -1 EBADF (Bad file descriptor) [pid 507] close(14) = -1 EBADF (Bad file descriptor) [pid 507] close(15) = -1 EBADF (Bad file descriptor) [pid 507] close(16) = -1 EBADF (Bad file descriptor) [pid 507] close(17) = -1 EBADF (Bad file descriptor) [pid 507] close(18) = -1 EBADF (Bad file descriptor) [pid 507] close(19) = -1 EBADF (Bad file descriptor) [pid 507] close(20) = -1 EBADF (Bad file descriptor) [pid 507] close(21) = -1 EBADF (Bad file descriptor) [pid 507] close(22) = -1 EBADF (Bad file descriptor) [pid 507] close(23) = -1 EBADF (Bad file descriptor) [pid 507] close(24) = -1 EBADF (Bad file descriptor) [pid 507] close(25) = -1 EBADF (Bad file descriptor) [pid 507] close(26) = -1 EBADF (Bad file descriptor) [pid 507] close(27) = -1 EBADF (Bad file descriptor) [pid 507] close(28) = -1 EBADF (Bad file descriptor) [pid 507] close(29) = -1 EBADF (Bad file descriptor) [pid 507] exit_group(0) = ? [pid 507] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./209/binderfs") = 0 [pid 297] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./209/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./209/cgroup.net") = 0 [pid 297] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./209/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./209/cgroup.cpu") = 0 [pid 297] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./209/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./209/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./209") = 0 [pid 297] mkdir("./210", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 212 ./strace-static-x86_64: Process 508 attached [pid 508] set_robust_list(0x555565b1f660, 24) = 0 [pid 508] chdir("./210") = 0 [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 508] setpgid(0, 0) = 0 [pid 508] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 508] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 508] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 508] write(3, "1000", 4) = 4 [pid 508] close(3) = 0 [pid 508] symlink("/dev/binderfs", "./binderfs") = 0 [pid 508] write(1, "executing program\n", 18executing program ) = 18 [ 29.067438][ T506] incfs: Error allocating mount info. -12 [ 29.073264][ T506] incfs: mount failed -12 [ 29.093968][ T507] incfs: Error allocating mount info. -12 [ 29.099758][ T507] incfs: mount failed -12 [pid 508] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 508] close(3) = -1 EBADF (Bad file descriptor) [pid 508] close(4) = -1 EBADF (Bad file descriptor) [pid 508] close(5) = -1 EBADF (Bad file descriptor) [pid 508] close(6) = -1 EBADF (Bad file descriptor) [pid 508] close(7) = -1 EBADF (Bad file descriptor) [pid 508] close(8) = -1 EBADF (Bad file descriptor) [pid 508] close(9) = -1 EBADF (Bad file descriptor) [pid 508] close(10) = -1 EBADF (Bad file descriptor) [pid 508] close(11) = -1 EBADF (Bad file descriptor) [pid 508] close(12) = -1 EBADF (Bad file descriptor) [pid 508] close(13) = -1 EBADF (Bad file descriptor) [pid 508] close(14) = -1 EBADF (Bad file descriptor) [pid 508] close(15) = -1 EBADF (Bad file descriptor) [pid 508] close(16) = -1 EBADF (Bad file descriptor) [pid 508] close(17) = -1 EBADF (Bad file descriptor) [pid 508] close(18) = -1 EBADF (Bad file descriptor) [pid 508] close(19) = -1 EBADF (Bad file descriptor) [pid 508] close(20) = -1 EBADF (Bad file descriptor) [pid 508] close(21) = -1 EBADF (Bad file descriptor) [pid 508] close(22) = -1 EBADF (Bad file descriptor) [pid 508] close(23) = -1 EBADF (Bad file descriptor) [pid 508] close(24) = -1 EBADF (Bad file descriptor) [pid 508] close(25) = -1 EBADF (Bad file descriptor) [pid 508] close(26) = -1 EBADF (Bad file descriptor) [pid 508] close(27) = -1 EBADF (Bad file descriptor) [pid 508] close(28) = -1 EBADF (Bad file descriptor) [pid 508] close(29) = -1 EBADF (Bad file descriptor) [pid 508] exit_group(0) = ? [pid 508] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./210/binderfs") = 0 [pid 297] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./210/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./210/cgroup.net") = 0 [pid 297] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./210/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./210/cgroup.cpu") = 0 [pid 297] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./210/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./210/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./210") = 0 [pid 297] mkdir("./211", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 509 attached , child_tidptr=0x555565b1f650) = 213 [pid 509] set_robust_list(0x555565b1f660, 24) = 0 [pid 509] chdir("./211") = 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 509] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 509] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 509] write(1, "executing program\n", 18) = 18 [pid 509] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 509] close(3) = -1 EBADF (Bad file descriptor) [pid 509] close(4) = -1 EBADF (Bad file descriptor) [pid 509] close(5) = -1 EBADF (Bad file descriptor) [pid 509] close(6) = -1 EBADF (Bad file descriptor) [pid 509] close(7) = -1 EBADF (Bad file descriptor) [pid 509] close(8) = -1 EBADF (Bad file descriptor) [pid 509] close(9) = -1 EBADF (Bad file descriptor) [pid 509] close(10) = -1 EBADF (Bad file descriptor) [pid 509] close(11) = -1 EBADF (Bad file descriptor) [pid 509] close(12) = -1 EBADF (Bad file descriptor) [pid 509] close(13) = -1 EBADF (Bad file descriptor) [pid 509] close(14) = -1 EBADF (Bad file descriptor) [pid 509] close(15) = -1 EBADF (Bad file descriptor) [pid 509] close(16) = -1 EBADF (Bad file descriptor) [pid 509] close(17) = -1 EBADF (Bad file descriptor) [pid 509] close(18) = -1 EBADF (Bad file descriptor) [pid 509] close(19) = -1 EBADF (Bad file descriptor) [pid 509] close(20) = -1 EBADF (Bad file descriptor) [pid 509] close(21) = -1 EBADF (Bad file descriptor) [pid 509] close(22) = -1 EBADF (Bad file descriptor) [pid 509] close(23) = -1 EBADF (Bad file descriptor) [pid 509] close(24) = -1 EBADF (Bad file descriptor) [pid 509] close(25) = -1 EBADF (Bad file descriptor) [pid 509] close(26) = -1 EBADF (Bad file descriptor) [pid 509] close(27) = -1 EBADF (Bad file descriptor) [pid 509] close(28) = -1 EBADF (Bad file descriptor) [pid 509] close(29) = -1 EBADF (Bad file descriptor) [pid 509] exit_group(0) = ? [pid 509] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./211/binderfs") = 0 [pid 297] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./211/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./211/cgroup.net") = 0 [pid 297] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./211/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./211/cgroup.cpu") = 0 [pid 297] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./211/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./211/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./211") = 0 [pid 297] mkdir("./212", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 214 ./strace-static-x86_64: Process 510 attached [pid 510] set_robust_list(0x555565b1f660, 24) = 0 [pid 510] chdir("./212") = 0 [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 510] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 510] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] symlink("/dev/binderfs", "./binderfs") = 0 [pid 510] write(1, "executing program\n", 18executing program ) = 18 [ 29.121326][ T508] incfs: Error allocating mount info. -12 [ 29.127066][ T508] incfs: mount failed -12 [ 29.148911][ T509] incfs: Error allocating mount info. -12 [ 29.154663][ T509] incfs: mount failed -12 [pid 510] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 510] close(3) = -1 EBADF (Bad file descriptor) [pid 510] close(4) = -1 EBADF (Bad file descriptor) [pid 510] close(5) = -1 EBADF (Bad file descriptor) [pid 510] close(6) = -1 EBADF (Bad file descriptor) [pid 510] close(7) = -1 EBADF (Bad file descriptor) [pid 510] close(8) = -1 EBADF (Bad file descriptor) [pid 510] close(9) = -1 EBADF (Bad file descriptor) [pid 510] close(10) = -1 EBADF (Bad file descriptor) [pid 510] close(11) = -1 EBADF (Bad file descriptor) [pid 510] close(12) = -1 EBADF (Bad file descriptor) [pid 510] close(13) = -1 EBADF (Bad file descriptor) [pid 510] close(14) = -1 EBADF (Bad file descriptor) [pid 510] close(15) = -1 EBADF (Bad file descriptor) [pid 510] close(16) = -1 EBADF (Bad file descriptor) [pid 510] close(17) = -1 EBADF (Bad file descriptor) [pid 510] close(18) = -1 EBADF (Bad file descriptor) [pid 510] close(19) = -1 EBADF (Bad file descriptor) [pid 510] close(20) = -1 EBADF (Bad file descriptor) [pid 510] close(21) = -1 EBADF (Bad file descriptor) [pid 510] close(22) = -1 EBADF (Bad file descriptor) [pid 510] close(23) = -1 EBADF (Bad file descriptor) [pid 510] close(24) = -1 EBADF (Bad file descriptor) [pid 510] close(25) = -1 EBADF (Bad file descriptor) [pid 510] close(26) = -1 EBADF (Bad file descriptor) [pid 510] close(27) = -1 EBADF (Bad file descriptor) [pid 510] close(28) = -1 EBADF (Bad file descriptor) [pid 510] close(29) = -1 EBADF (Bad file descriptor) [pid 510] exit_group(0) = ? [pid 510] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./212/binderfs") = 0 [pid 297] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./212/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./212/cgroup.net") = 0 [pid 297] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./212/cgroup.cpu") = 0 [pid 297] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./212/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./212/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./212") = 0 [pid 297] mkdir("./213", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 215 ./strace-static-x86_64: Process 511 attached [pid 511] set_robust_list(0x555565b1f660, 24) = 0 [pid 511] chdir("./213") = 0 [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 511] setpgid(0, 0) = 0 [pid 511] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 511] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 511] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 511] write(3, "1000", 4executing program ) = 4 [pid 511] close(3) = 0 [pid 511] symlink("/dev/binderfs", "./binderfs") = 0 [pid 511] write(1, "executing program\n", 18) = 18 [pid 511] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 511] close(3) = -1 EBADF (Bad file descriptor) [pid 511] close(4) = -1 EBADF (Bad file descriptor) [pid 511] close(5) = -1 EBADF (Bad file descriptor) [pid 511] close(6) = -1 EBADF (Bad file descriptor) [pid 511] close(7) = -1 EBADF (Bad file descriptor) [pid 511] close(8) = -1 EBADF (Bad file descriptor) [pid 511] close(9) = -1 EBADF (Bad file descriptor) [pid 511] close(10) = -1 EBADF (Bad file descriptor) [pid 511] close(11) = -1 EBADF (Bad file descriptor) [pid 511] close(12) = -1 EBADF (Bad file descriptor) [pid 511] close(13) = -1 EBADF (Bad file descriptor) [pid 511] close(14) = -1 EBADF (Bad file descriptor) [pid 511] close(15) = -1 EBADF (Bad file descriptor) [pid 511] close(16) = -1 EBADF (Bad file descriptor) [pid 511] close(17) = -1 EBADF (Bad file descriptor) [pid 511] close(18) = -1 EBADF (Bad file descriptor) [pid 511] close(19) = -1 EBADF (Bad file descriptor) [pid 511] close(20) = -1 EBADF (Bad file descriptor) [pid 511] close(21) = -1 EBADF (Bad file descriptor) [pid 511] close(22) = -1 EBADF (Bad file descriptor) [pid 511] close(23) = -1 EBADF (Bad file descriptor) [pid 511] close(24) = -1 EBADF (Bad file descriptor) [pid 511] close(25) = -1 EBADF (Bad file descriptor) [pid 511] close(26) = -1 EBADF (Bad file descriptor) [pid 511] close(27) = -1 EBADF (Bad file descriptor) [pid 511] close(28) = -1 EBADF (Bad file descriptor) [pid 511] close(29) = -1 EBADF (Bad file descriptor) [pid 511] exit_group(0) = ? [pid 511] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./213/binderfs") = 0 [pid 297] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./213/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./213/cgroup.net") = 0 [pid 297] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./213/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./213/cgroup.cpu") = 0 [pid 297] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./213/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./213/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./213") = 0 [pid 297] mkdir("./214", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 512 attached , child_tidptr=0x555565b1f650) = 216 [pid 512] set_robust_list(0x555565b1f660, 24) = 0 [pid 512] chdir("./214") = 0 [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 512] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 512] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 512] write(1, "executing program\n", 18) = 18 [ 29.174402][ T510] incfs: Error allocating mount info. -12 [ 29.180201][ T510] incfs: mount failed -12 [ 29.198101][ T511] incfs: Error allocating mount info. -12 [ 29.203886][ T511] incfs: mount failed -12 [pid 512] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 512] close(3) = -1 EBADF (Bad file descriptor) [pid 512] close(4) = -1 EBADF (Bad file descriptor) [pid 512] close(5) = -1 EBADF (Bad file descriptor) [pid 512] close(6) = -1 EBADF (Bad file descriptor) [pid 512] close(7) = -1 EBADF (Bad file descriptor) [pid 512] close(8) = -1 EBADF (Bad file descriptor) [pid 512] close(9) = -1 EBADF (Bad file descriptor) [pid 512] close(10) = -1 EBADF (Bad file descriptor) [pid 512] close(11) = -1 EBADF (Bad file descriptor) [pid 512] close(12) = -1 EBADF (Bad file descriptor) [pid 512] close(13) = -1 EBADF (Bad file descriptor) [pid 512] close(14) = -1 EBADF (Bad file descriptor) [pid 512] close(15) = -1 EBADF (Bad file descriptor) [pid 512] close(16) = -1 EBADF (Bad file descriptor) [pid 512] close(17) = -1 EBADF (Bad file descriptor) [pid 512] close(18) = -1 EBADF (Bad file descriptor) [pid 512] close(19) = -1 EBADF (Bad file descriptor) [pid 512] close(20) = -1 EBADF (Bad file descriptor) [pid 512] close(21) = -1 EBADF (Bad file descriptor) [pid 512] close(22) = -1 EBADF (Bad file descriptor) [pid 512] close(23) = -1 EBADF (Bad file descriptor) [pid 512] close(24) = -1 EBADF (Bad file descriptor) [pid 512] close(25) = -1 EBADF (Bad file descriptor) [pid 512] close(26) = -1 EBADF (Bad file descriptor) [pid 512] close(27) = -1 EBADF (Bad file descriptor) [pid 512] close(28) = -1 EBADF (Bad file descriptor) [pid 512] close(29) = -1 EBADF (Bad file descriptor) [pid 512] exit_group(0) = ? [pid 512] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./214/binderfs") = 0 [pid 297] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./214/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./214/cgroup.net") = 0 [pid 297] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./214/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./214/cgroup.cpu") = 0 [pid 297] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./214/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./214/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./214") = 0 [pid 297] mkdir("./215", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 217 ./strace-static-x86_64: Process 513 attached [pid 513] set_robust_list(0x555565b1f660, 24) = 0 [pid 513] chdir("./215") = 0 [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 513] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 513] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 513] write(1, "executing program\n", 18) = 18 [pid 513] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 513] close(3) = -1 EBADF (Bad file descriptor) [pid 513] close(4) = -1 EBADF (Bad file descriptor) [pid 513] close(5) = -1 EBADF (Bad file descriptor) [pid 513] close(6) = -1 EBADF (Bad file descriptor) [pid 513] close(7) = -1 EBADF (Bad file descriptor) [pid 513] close(8) = -1 EBADF (Bad file descriptor) [pid 513] close(9) = -1 EBADF (Bad file descriptor) [pid 513] close(10) = -1 EBADF (Bad file descriptor) [pid 513] close(11) = -1 EBADF (Bad file descriptor) [pid 513] close(12) = -1 EBADF (Bad file descriptor) [pid 513] close(13) = -1 EBADF (Bad file descriptor) [pid 513] close(14) = -1 EBADF (Bad file descriptor) [pid 513] close(15) = -1 EBADF (Bad file descriptor) [pid 513] close(16) = -1 EBADF (Bad file descriptor) [pid 513] close(17) = -1 EBADF (Bad file descriptor) [pid 513] close(18) = -1 EBADF (Bad file descriptor) [pid 513] close(19) = -1 EBADF (Bad file descriptor) [pid 513] close(20) = -1 EBADF (Bad file descriptor) [pid 513] close(21) = -1 EBADF (Bad file descriptor) [pid 513] close(22) = -1 EBADF (Bad file descriptor) [pid 513] close(23) = -1 EBADF (Bad file descriptor) [pid 513] close(24) = -1 EBADF (Bad file descriptor) [pid 513] close(25) = -1 EBADF (Bad file descriptor) [pid 513] close(26) = -1 EBADF (Bad file descriptor) [pid 513] close(27) = -1 EBADF (Bad file descriptor) [pid 513] close(28) = -1 EBADF (Bad file descriptor) [pid 513] close(29) = -1 EBADF (Bad file descriptor) [pid 513] exit_group(0) = ? [pid 513] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./215/binderfs") = 0 [pid 297] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./215/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./215/cgroup.net") = 0 [pid 297] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./215/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./215/cgroup.cpu") = 0 [pid 297] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./215/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./215/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./215") = 0 [pid 297] mkdir("./216", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 218 ./strace-static-x86_64: Process 514 attached [pid 514] set_robust_list(0x555565b1f660, 24) = 0 [pid 514] chdir("./216") = 0 [pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 514] setpgid(0, 0) = 0 [pid 514] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 514] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 514] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 514] write(3, "1000", 4) = 4 [pid 514] close(3) = 0 [pid 514] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 514] write(1, "executing program\n", 18) = 18 [ 29.228073][ T512] incfs: Error allocating mount info. -12 [ 29.233889][ T512] incfs: mount failed -12 [ 29.257012][ T513] incfs: Error allocating mount info. -12 [ 29.262807][ T513] incfs: mount failed -12 [pid 514] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 514] close(3) = -1 EBADF (Bad file descriptor) [pid 514] close(4) = -1 EBADF (Bad file descriptor) [pid 514] close(5) = -1 EBADF (Bad file descriptor) [pid 514] close(6) = -1 EBADF (Bad file descriptor) [pid 514] close(7) = -1 EBADF (Bad file descriptor) [pid 514] close(8) = -1 EBADF (Bad file descriptor) [pid 514] close(9) = -1 EBADF (Bad file descriptor) [pid 514] close(10) = -1 EBADF (Bad file descriptor) [pid 514] close(11) = -1 EBADF (Bad file descriptor) [pid 514] close(12) = -1 EBADF (Bad file descriptor) [pid 514] close(13) = -1 EBADF (Bad file descriptor) [pid 514] close(14) = -1 EBADF (Bad file descriptor) [pid 514] close(15) = -1 EBADF (Bad file descriptor) [pid 514] close(16) = -1 EBADF (Bad file descriptor) [pid 514] close(17) = -1 EBADF (Bad file descriptor) [pid 514] close(18) = -1 EBADF (Bad file descriptor) [pid 514] close(19) = -1 EBADF (Bad file descriptor) [pid 514] close(20) = -1 EBADF (Bad file descriptor) [pid 514] close(21) = -1 EBADF (Bad file descriptor) [pid 514] close(22) = -1 EBADF (Bad file descriptor) [pid 514] close(23) = -1 EBADF (Bad file descriptor) [pid 514] close(24) = -1 EBADF (Bad file descriptor) [pid 514] close(25) = -1 EBADF (Bad file descriptor) [pid 514] close(26) = -1 EBADF (Bad file descriptor) [pid 514] close(27) = -1 EBADF (Bad file descriptor) [pid 514] close(28) = -1 EBADF (Bad file descriptor) [pid 514] close(29) = -1 EBADF (Bad file descriptor) [pid 514] exit_group(0) = ? [pid 514] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./216/binderfs") = 0 [pid 297] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./216/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./216/cgroup.net") = 0 [pid 297] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./216/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./216/cgroup.cpu") = 0 [pid 297] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./216/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./216/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./216") = 0 [pid 297] mkdir("./217", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 515 attached , child_tidptr=0x555565b1f650) = 219 [pid 515] set_robust_list(0x555565b1f660, 24) = 0 [pid 515] chdir("./217") = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 515] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 515] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 [pid 515] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 515] write(1, "executing program\n", 18) = 18 [pid 515] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 515] close(3) = -1 EBADF (Bad file descriptor) [pid 515] close(4) = -1 EBADF (Bad file descriptor) [pid 515] close(5) = -1 EBADF (Bad file descriptor) [pid 515] close(6) = -1 EBADF (Bad file descriptor) [pid 515] close(7) = -1 EBADF (Bad file descriptor) [pid 515] close(8) = -1 EBADF (Bad file descriptor) [pid 515] close(9) = -1 EBADF (Bad file descriptor) [pid 515] close(10) = -1 EBADF (Bad file descriptor) [pid 515] close(11) = -1 EBADF (Bad file descriptor) [pid 515] close(12) = -1 EBADF (Bad file descriptor) [pid 515] close(13) = -1 EBADF (Bad file descriptor) [pid 515] close(14) = -1 EBADF (Bad file descriptor) [pid 515] close(15) = -1 EBADF (Bad file descriptor) [pid 515] close(16) = -1 EBADF (Bad file descriptor) [pid 515] close(17) = -1 EBADF (Bad file descriptor) [pid 515] close(18) = -1 EBADF (Bad file descriptor) [pid 515] close(19) = -1 EBADF (Bad file descriptor) [pid 515] close(20) = -1 EBADF (Bad file descriptor) [pid 515] close(21) = -1 EBADF (Bad file descriptor) [pid 515] close(22) = -1 EBADF (Bad file descriptor) [pid 515] close(23) = -1 EBADF (Bad file descriptor) [pid 515] close(24) = -1 EBADF (Bad file descriptor) [pid 515] close(25) = -1 EBADF (Bad file descriptor) [pid 515] close(26) = -1 EBADF (Bad file descriptor) [pid 515] close(27) = -1 EBADF (Bad file descriptor) [pid 515] close(28) = -1 EBADF (Bad file descriptor) [pid 515] close(29) = -1 EBADF (Bad file descriptor) [pid 515] exit_group(0) = ? [pid 515] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./217/binderfs") = 0 [pid 297] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./217/cgroup.net") = 0 [pid 297] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./217/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./217/cgroup.cpu") = 0 [pid 297] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./217/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./217/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./217") = 0 [pid 297] mkdir("./218", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 220 ./strace-static-x86_64: Process 516 attached [pid 516] set_robust_list(0x555565b1f660, 24) = 0 [pid 516] chdir("./218") = 0 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 516] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 516] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 516] write(1, "executing program\n", 18) = 18 [ 29.284892][ T514] incfs: Error allocating mount info. -12 [ 29.290689][ T514] incfs: mount failed -12 [ 29.311555][ T515] incfs: Error allocating mount info. -12 [ 29.317304][ T515] incfs: mount failed -12 [pid 516] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 516] close(3) = -1 EBADF (Bad file descriptor) [pid 516] close(4) = -1 EBADF (Bad file descriptor) [pid 516] close(5) = -1 EBADF (Bad file descriptor) [pid 516] close(6) = -1 EBADF (Bad file descriptor) [pid 516] close(7) = -1 EBADF (Bad file descriptor) [pid 516] close(8) = -1 EBADF (Bad file descriptor) [pid 516] close(9) = -1 EBADF (Bad file descriptor) [pid 516] close(10) = -1 EBADF (Bad file descriptor) [pid 516] close(11) = -1 EBADF (Bad file descriptor) [pid 516] close(12) = -1 EBADF (Bad file descriptor) [pid 516] close(13) = -1 EBADF (Bad file descriptor) [pid 516] close(14) = -1 EBADF (Bad file descriptor) [pid 516] close(15) = -1 EBADF (Bad file descriptor) [pid 516] close(16) = -1 EBADF (Bad file descriptor) [pid 516] close(17) = -1 EBADF (Bad file descriptor) [pid 516] close(18) = -1 EBADF (Bad file descriptor) [pid 516] close(19) = -1 EBADF (Bad file descriptor) [pid 516] close(20) = -1 EBADF (Bad file descriptor) [pid 516] close(21) = -1 EBADF (Bad file descriptor) [pid 516] close(22) = -1 EBADF (Bad file descriptor) [pid 516] close(23) = -1 EBADF (Bad file descriptor) [pid 516] close(24) = -1 EBADF (Bad file descriptor) [pid 516] close(25) = -1 EBADF (Bad file descriptor) [pid 516] close(26) = -1 EBADF (Bad file descriptor) [pid 516] close(27) = -1 EBADF (Bad file descriptor) [pid 516] close(28) = -1 EBADF (Bad file descriptor) [pid 516] close(29) = -1 EBADF (Bad file descriptor) [pid 516] exit_group(0) = ? [pid 516] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./218/binderfs") = 0 [pid 297] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./218/cgroup.net") = 0 [pid 297] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./218/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./218/cgroup.cpu") = 0 [pid 297] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./218/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./218/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./218") = 0 [pid 297] mkdir("./219", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 221 ./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x555565b1f660, 24) = 0 [pid 517] chdir("./219") = 0 [pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 517] setpgid(0, 0) = 0 [pid 517] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 517] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 517] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 517] write(3, "1000", 4) = 4 [pid 517] close(3) = 0 [pid 517] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 517] write(1, "executing program\n", 18) = 18 [pid 517] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 517] close(3) = -1 EBADF (Bad file descriptor) [pid 517] close(4) = -1 EBADF (Bad file descriptor) [pid 517] close(5) = -1 EBADF (Bad file descriptor) [pid 517] close(6) = -1 EBADF (Bad file descriptor) [pid 517] close(7) = -1 EBADF (Bad file descriptor) [pid 517] close(8) = -1 EBADF (Bad file descriptor) [pid 517] close(9) = -1 EBADF (Bad file descriptor) [pid 517] close(10) = -1 EBADF (Bad file descriptor) [pid 517] close(11) = -1 EBADF (Bad file descriptor) [pid 517] close(12) = -1 EBADF (Bad file descriptor) [pid 517] close(13) = -1 EBADF (Bad file descriptor) [pid 517] close(14) = -1 EBADF (Bad file descriptor) [pid 517] close(15) = -1 EBADF (Bad file descriptor) [pid 517] close(16) = -1 EBADF (Bad file descriptor) [pid 517] close(17) = -1 EBADF (Bad file descriptor) [pid 517] close(18) = -1 EBADF (Bad file descriptor) [pid 517] close(19) = -1 EBADF (Bad file descriptor) [pid 517] close(20) = -1 EBADF (Bad file descriptor) [pid 517] close(21) = -1 EBADF (Bad file descriptor) [pid 517] close(22) = -1 EBADF (Bad file descriptor) [pid 517] close(23) = -1 EBADF (Bad file descriptor) [pid 517] close(24) = -1 EBADF (Bad file descriptor) [pid 517] close(25) = -1 EBADF (Bad file descriptor) [pid 517] close(26) = -1 EBADF (Bad file descriptor) [pid 517] close(27) = -1 EBADF (Bad file descriptor) [pid 517] close(28) = -1 EBADF (Bad file descriptor) [pid 517] close(29) = -1 EBADF (Bad file descriptor) [pid 517] exit_group(0) = ? [pid 517] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./219/binderfs") = 0 [pid 297] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./219/cgroup.net") = 0 [pid 297] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./219/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./219/cgroup.cpu") = 0 [pid 297] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./219/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./219/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./219") = 0 [pid 297] mkdir("./220", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 222 ./strace-static-x86_64: Process 518 attached [pid 518] set_robust_list(0x555565b1f660, 24) = 0 [pid 518] chdir("./220") = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 518] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 518] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 518] write(1, "executing program\n", 18) = 18 [ 29.336898][ T516] incfs: Error allocating mount info. -12 [ 29.342702][ T516] incfs: mount failed -12 [ 29.363876][ T517] incfs: Error allocating mount info. -12 [ 29.369698][ T517] incfs: mount failed -12 [pid 518] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 518] close(3) = -1 EBADF (Bad file descriptor) [pid 518] close(4) = -1 EBADF (Bad file descriptor) [pid 518] close(5) = -1 EBADF (Bad file descriptor) [pid 518] close(6) = -1 EBADF (Bad file descriptor) [pid 518] close(7) = -1 EBADF (Bad file descriptor) [pid 518] close(8) = -1 EBADF (Bad file descriptor) [pid 518] close(9) = -1 EBADF (Bad file descriptor) [pid 518] close(10) = -1 EBADF (Bad file descriptor) [pid 518] close(11) = -1 EBADF (Bad file descriptor) [pid 518] close(12) = -1 EBADF (Bad file descriptor) [pid 518] close(13) = -1 EBADF (Bad file descriptor) [pid 518] close(14) = -1 EBADF (Bad file descriptor) [pid 518] close(15) = -1 EBADF (Bad file descriptor) [pid 518] close(16) = -1 EBADF (Bad file descriptor) [pid 518] close(17) = -1 EBADF (Bad file descriptor) [pid 518] close(18) = -1 EBADF (Bad file descriptor) [pid 518] close(19) = -1 EBADF (Bad file descriptor) [pid 518] close(20) = -1 EBADF (Bad file descriptor) [pid 518] close(21) = -1 EBADF (Bad file descriptor) [pid 518] close(22) = -1 EBADF (Bad file descriptor) [pid 518] close(23) = -1 EBADF (Bad file descriptor) [pid 518] close(24) = -1 EBADF (Bad file descriptor) [pid 518] close(25) = -1 EBADF (Bad file descriptor) [pid 518] close(26) = -1 EBADF (Bad file descriptor) [pid 518] close(27) = -1 EBADF (Bad file descriptor) [pid 518] close(28) = -1 EBADF (Bad file descriptor) [pid 518] close(29) = -1 EBADF (Bad file descriptor) [pid 518] exit_group(0) = ? [pid 518] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./220/binderfs") = 0 [pid 297] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./220/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./220/cgroup.net") = 0 [pid 297] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./220/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./220/cgroup.cpu") = 0 [pid 297] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./220/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./220/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./220") = 0 [pid 297] mkdir("./221", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 223 ./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x555565b1f660, 24) = 0 [pid 519] chdir("./221") = 0 [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 519] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 519] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] symlink("/dev/binderfs", "./binderfs") = 0 [pid 519] write(1, "executing program\n", 18executing program ) = 18 [pid 519] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 519] close(3) = -1 EBADF (Bad file descriptor) [pid 519] close(4) = -1 EBADF (Bad file descriptor) [pid 519] close(5) = -1 EBADF (Bad file descriptor) [pid 519] close(6) = -1 EBADF (Bad file descriptor) [pid 519] close(7) = -1 EBADF (Bad file descriptor) [pid 519] close(8) = -1 EBADF (Bad file descriptor) [pid 519] close(9) = -1 EBADF (Bad file descriptor) [pid 519] close(10) = -1 EBADF (Bad file descriptor) [pid 519] close(11) = -1 EBADF (Bad file descriptor) [pid 519] close(12) = -1 EBADF (Bad file descriptor) [pid 519] close(13) = -1 EBADF (Bad file descriptor) [pid 519] close(14) = -1 EBADF (Bad file descriptor) [pid 519] close(15) = -1 EBADF (Bad file descriptor) [pid 519] close(16) = -1 EBADF (Bad file descriptor) [pid 519] close(17) = -1 EBADF (Bad file descriptor) [pid 519] close(18) = -1 EBADF (Bad file descriptor) [pid 519] close(19) = -1 EBADF (Bad file descriptor) [pid 519] close(20) = -1 EBADF (Bad file descriptor) [pid 519] close(21) = -1 EBADF (Bad file descriptor) [pid 519] close(22) = -1 EBADF (Bad file descriptor) [pid 519] close(23) = -1 EBADF (Bad file descriptor) [pid 519] close(24) = -1 EBADF (Bad file descriptor) [pid 519] close(25) = -1 EBADF (Bad file descriptor) [pid 519] close(26) = -1 EBADF (Bad file descriptor) [pid 519] close(27) = -1 EBADF (Bad file descriptor) [pid 519] close(28) = -1 EBADF (Bad file descriptor) [pid 519] close(29) = -1 EBADF (Bad file descriptor) [pid 519] exit_group(0) = ? [pid 519] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./221/binderfs") = 0 [pid 297] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./221/cgroup.net") = 0 [pid 297] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./221/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./221/cgroup.cpu") = 0 [pid 297] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./221/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./221") = 0 [pid 297] mkdir("./222", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 224 ./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x555565b1f660, 24) = 0 [pid 520] chdir("./222") = 0 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 520] setpgid(0, 0) = 0 [pid 520] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 520] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 520] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3) = 0 [pid 520] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 520] write(1, "executing program\n", 18) = 18 [ 29.387274][ T518] incfs: Error allocating mount info. -12 [ 29.393054][ T518] incfs: mount failed -12 [ 29.413319][ T519] incfs: Error allocating mount info. -12 [ 29.419103][ T519] incfs: mount failed -12 [pid 520] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 520] close(3) = -1 EBADF (Bad file descriptor) [pid 520] close(4) = -1 EBADF (Bad file descriptor) [pid 520] close(5) = -1 EBADF (Bad file descriptor) [pid 520] close(6) = -1 EBADF (Bad file descriptor) [pid 520] close(7) = -1 EBADF (Bad file descriptor) [pid 520] close(8) = -1 EBADF (Bad file descriptor) [pid 520] close(9) = -1 EBADF (Bad file descriptor) [pid 520] close(10) = -1 EBADF (Bad file descriptor) [pid 520] close(11) = -1 EBADF (Bad file descriptor) [pid 520] close(12) = -1 EBADF (Bad file descriptor) [pid 520] close(13) = -1 EBADF (Bad file descriptor) [pid 520] close(14) = -1 EBADF (Bad file descriptor) [pid 520] close(15) = -1 EBADF (Bad file descriptor) [pid 520] close(16) = -1 EBADF (Bad file descriptor) [pid 520] close(17) = -1 EBADF (Bad file descriptor) [pid 520] close(18) = -1 EBADF (Bad file descriptor) [pid 520] close(19) = -1 EBADF (Bad file descriptor) [pid 520] close(20) = -1 EBADF (Bad file descriptor) [pid 520] close(21) = -1 EBADF (Bad file descriptor) [pid 520] close(22) = -1 EBADF (Bad file descriptor) [pid 520] close(23) = -1 EBADF (Bad file descriptor) [pid 520] close(24) = -1 EBADF (Bad file descriptor) [pid 520] close(25) = -1 EBADF (Bad file descriptor) [pid 520] close(26) = -1 EBADF (Bad file descriptor) [pid 520] close(27) = -1 EBADF (Bad file descriptor) [pid 520] close(28) = -1 EBADF (Bad file descriptor) [pid 520] close(29) = -1 EBADF (Bad file descriptor) [pid 520] exit_group(0) = ? [pid 520] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./222/binderfs") = 0 [pid 297] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./222/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./222/cgroup.net") = 0 [pid 297] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./222/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./222/cgroup.cpu") = 0 [pid 297] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./222/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./222/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./222") = 0 [pid 297] mkdir("./223", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 521 attached , child_tidptr=0x555565b1f650) = 225 [pid 521] set_robust_list(0x555565b1f660, 24) = 0 [pid 521] chdir("./223") = 0 [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 521] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 521] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 521] write(1, "executing program\n", 18executing program ) = 18 [pid 521] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 521] close(3) = -1 EBADF (Bad file descriptor) [pid 521] close(4) = -1 EBADF (Bad file descriptor) [pid 521] close(5) = -1 EBADF (Bad file descriptor) [pid 521] close(6) = -1 EBADF (Bad file descriptor) [pid 521] close(7) = -1 EBADF (Bad file descriptor) [pid 521] close(8) = -1 EBADF (Bad file descriptor) [pid 521] close(9) = -1 EBADF (Bad file descriptor) [pid 521] close(10) = -1 EBADF (Bad file descriptor) [pid 521] close(11) = -1 EBADF (Bad file descriptor) [pid 521] close(12) = -1 EBADF (Bad file descriptor) [pid 521] close(13) = -1 EBADF (Bad file descriptor) [pid 521] close(14) = -1 EBADF (Bad file descriptor) [pid 521] close(15) = -1 EBADF (Bad file descriptor) [pid 521] close(16) = -1 EBADF (Bad file descriptor) [pid 521] close(17) = -1 EBADF (Bad file descriptor) [pid 521] close(18) = -1 EBADF (Bad file descriptor) [pid 521] close(19) = -1 EBADF (Bad file descriptor) [pid 521] close(20) = -1 EBADF (Bad file descriptor) [pid 521] close(21) = -1 EBADF (Bad file descriptor) [pid 521] close(22) = -1 EBADF (Bad file descriptor) [pid 521] close(23) = -1 EBADF (Bad file descriptor) [pid 521] close(24) = -1 EBADF (Bad file descriptor) [pid 521] close(25) = -1 EBADF (Bad file descriptor) [pid 521] close(26) = -1 EBADF (Bad file descriptor) [pid 521] close(27) = -1 EBADF (Bad file descriptor) [pid 521] close(28) = -1 EBADF (Bad file descriptor) [pid 521] close(29) = -1 EBADF (Bad file descriptor) [pid 521] exit_group(0) = ? [pid 521] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./223/binderfs") = 0 [pid 297] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./223/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./223/cgroup.net") = 0 [pid 297] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./223/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./223/cgroup.cpu") = 0 [pid 297] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./223/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./223/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./223") = 0 [pid 297] mkdir("./224", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 226 ./strace-static-x86_64: Process 522 attached [pid 522] set_robust_list(0x555565b1f660, 24) = 0 [pid 522] chdir("./224") = 0 [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 522] setpgid(0, 0) = 0 [pid 522] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 522] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 522] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 [pid 522] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 522] write(1, "executing program\n", 18) = 18 [ 29.441976][ T520] incfs: Error allocating mount info. -12 [ 29.447723][ T520] incfs: mount failed -12 [ 29.470542][ T521] incfs: Error allocating mount info. -12 [ 29.476291][ T521] incfs: mount failed -12 [pid 522] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 522] close(3) = -1 EBADF (Bad file descriptor) [pid 522] close(4) = -1 EBADF (Bad file descriptor) [pid 522] close(5) = -1 EBADF (Bad file descriptor) [pid 522] close(6) = -1 EBADF (Bad file descriptor) [pid 522] close(7) = -1 EBADF (Bad file descriptor) [pid 522] close(8) = -1 EBADF (Bad file descriptor) [pid 522] close(9) = -1 EBADF (Bad file descriptor) [pid 522] close(10) = -1 EBADF (Bad file descriptor) [pid 522] close(11) = -1 EBADF (Bad file descriptor) [pid 522] close(12) = -1 EBADF (Bad file descriptor) [pid 522] close(13) = -1 EBADF (Bad file descriptor) [pid 522] close(14) = -1 EBADF (Bad file descriptor) [pid 522] close(15) = -1 EBADF (Bad file descriptor) [pid 522] close(16) = -1 EBADF (Bad file descriptor) [pid 522] close(17) = -1 EBADF (Bad file descriptor) [pid 522] close(18) = -1 EBADF (Bad file descriptor) [pid 522] close(19) = -1 EBADF (Bad file descriptor) [pid 522] close(20) = -1 EBADF (Bad file descriptor) [pid 522] close(21) = -1 EBADF (Bad file descriptor) [pid 522] close(22) = -1 EBADF (Bad file descriptor) [pid 522] close(23) = -1 EBADF (Bad file descriptor) [pid 522] close(24) = -1 EBADF (Bad file descriptor) [pid 522] close(25) = -1 EBADF (Bad file descriptor) [pid 522] close(26) = -1 EBADF (Bad file descriptor) [pid 522] close(27) = -1 EBADF (Bad file descriptor) [pid 522] close(28) = -1 EBADF (Bad file descriptor) [pid 522] close(29) = -1 EBADF (Bad file descriptor) [pid 522] exit_group(0) = ? [pid 522] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./224/binderfs") = 0 [pid 297] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./224/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./224/cgroup.net") = 0 [pid 297] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./224/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./224/cgroup.cpu") = 0 [pid 297] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./224/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./224/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./224") = 0 [pid 297] mkdir("./225", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 227 ./strace-static-x86_64: Process 523 attached [pid 523] set_robust_list(0x555565b1f660, 24) = 0 [pid 523] chdir("./225") = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 523] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 523] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 523] symlink("/dev/binderfs", "./binderfs") = 0 [pid 523] write(1, "executing program\n", 18executing program ) = 18 [pid 523] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 523] close(3) = -1 EBADF (Bad file descriptor) [pid 523] close(4) = -1 EBADF (Bad file descriptor) [pid 523] close(5) = -1 EBADF (Bad file descriptor) [pid 523] close(6) = -1 EBADF (Bad file descriptor) [pid 523] close(7) = -1 EBADF (Bad file descriptor) [pid 523] close(8) = -1 EBADF (Bad file descriptor) [pid 523] close(9) = -1 EBADF (Bad file descriptor) [pid 523] close(10) = -1 EBADF (Bad file descriptor) [pid 523] close(11) = -1 EBADF (Bad file descriptor) [pid 523] close(12) = -1 EBADF (Bad file descriptor) [pid 523] close(13) = -1 EBADF (Bad file descriptor) [pid 523] close(14) = -1 EBADF (Bad file descriptor) [pid 523] close(15) = -1 EBADF (Bad file descriptor) [pid 523] close(16) = -1 EBADF (Bad file descriptor) [pid 523] close(17) = -1 EBADF (Bad file descriptor) [pid 523] close(18) = -1 EBADF (Bad file descriptor) [pid 523] close(19) = -1 EBADF (Bad file descriptor) [pid 523] close(20) = -1 EBADF (Bad file descriptor) [pid 523] close(21) = -1 EBADF (Bad file descriptor) [pid 523] close(22) = -1 EBADF (Bad file descriptor) [pid 523] close(23) = -1 EBADF (Bad file descriptor) [pid 523] close(24) = -1 EBADF (Bad file descriptor) [pid 523] close(25) = -1 EBADF (Bad file descriptor) [pid 523] close(26) = -1 EBADF (Bad file descriptor) [pid 523] close(27) = -1 EBADF (Bad file descriptor) [pid 523] close(28) = -1 EBADF (Bad file descriptor) [pid 523] close(29) = -1 EBADF (Bad file descriptor) [pid 523] exit_group(0) = ? [pid 523] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./225/binderfs") = 0 [pid 297] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./225/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./225/cgroup.net") = 0 [pid 297] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./225/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./225/cgroup.cpu") = 0 [pid 297] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./225/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./225/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./225") = 0 [pid 297] mkdir("./226", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 228 ./strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x555565b1f660, 24) = 0 [pid 524] chdir("./226") = 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 524] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 524] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 [pid 524] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 524] write(1, "executing program\n", 18) = 18 [ 29.498521][ T522] incfs: Error allocating mount info. -12 [ 29.504264][ T522] incfs: mount failed -12 [ 29.525735][ T523] incfs: Error allocating mount info. -12 [ 29.531525][ T523] incfs: mount failed -12 [pid 524] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 524] close(3) = -1 EBADF (Bad file descriptor) [pid 524] close(4) = -1 EBADF (Bad file descriptor) [pid 524] close(5) = -1 EBADF (Bad file descriptor) [pid 524] close(6) = -1 EBADF (Bad file descriptor) [pid 524] close(7) = -1 EBADF (Bad file descriptor) [pid 524] close(8) = -1 EBADF (Bad file descriptor) [pid 524] close(9) = -1 EBADF (Bad file descriptor) [pid 524] close(10) = -1 EBADF (Bad file descriptor) [pid 524] close(11) = -1 EBADF (Bad file descriptor) [pid 524] close(12) = -1 EBADF (Bad file descriptor) [pid 524] close(13) = -1 EBADF (Bad file descriptor) [pid 524] close(14) = -1 EBADF (Bad file descriptor) [pid 524] close(15) = -1 EBADF (Bad file descriptor) [pid 524] close(16) = -1 EBADF (Bad file descriptor) [pid 524] close(17) = -1 EBADF (Bad file descriptor) [pid 524] close(18) = -1 EBADF (Bad file descriptor) [pid 524] close(19) = -1 EBADF (Bad file descriptor) [pid 524] close(20) = -1 EBADF (Bad file descriptor) [pid 524] close(21) = -1 EBADF (Bad file descriptor) [pid 524] close(22) = -1 EBADF (Bad file descriptor) [pid 524] close(23) = -1 EBADF (Bad file descriptor) [pid 524] close(24) = -1 EBADF (Bad file descriptor) [pid 524] close(25) = -1 EBADF (Bad file descriptor) [pid 524] close(26) = -1 EBADF (Bad file descriptor) [pid 524] close(27) = -1 EBADF (Bad file descriptor) [pid 524] close(28) = -1 EBADF (Bad file descriptor) [pid 524] close(29) = -1 EBADF (Bad file descriptor) [pid 524] exit_group(0) = ? [pid 524] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./226/binderfs") = 0 [pid 297] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./226/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./226/cgroup.net") = 0 [pid 297] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./226/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./226/cgroup.cpu") = 0 [pid 297] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./226/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./226/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./226") = 0 [pid 297] mkdir("./227", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 229 ./strace-static-x86_64: Process 525 attached [pid 525] set_robust_list(0x555565b1f660, 24) = 0 [pid 525] chdir("./227") = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 525] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 525] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 [pid 525] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 525] write(1, "executing program\n", 18) = 18 [pid 525] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 525] close(3) = -1 EBADF (Bad file descriptor) [pid 525] close(4) = -1 EBADF (Bad file descriptor) [pid 525] close(5) = -1 EBADF (Bad file descriptor) [pid 525] close(6) = -1 EBADF (Bad file descriptor) [pid 525] close(7) = -1 EBADF (Bad file descriptor) [pid 525] close(8) = -1 EBADF (Bad file descriptor) [pid 525] close(9) = -1 EBADF (Bad file descriptor) [pid 525] close(10) = -1 EBADF (Bad file descriptor) [pid 525] close(11) = -1 EBADF (Bad file descriptor) [pid 525] close(12) = -1 EBADF (Bad file descriptor) [pid 525] close(13) = -1 EBADF (Bad file descriptor) [pid 525] close(14) = -1 EBADF (Bad file descriptor) [pid 525] close(15) = -1 EBADF (Bad file descriptor) [pid 525] close(16) = -1 EBADF (Bad file descriptor) [pid 525] close(17) = -1 EBADF (Bad file descriptor) [pid 525] close(18) = -1 EBADF (Bad file descriptor) [pid 525] close(19) = -1 EBADF (Bad file descriptor) [pid 525] close(20) = -1 EBADF (Bad file descriptor) [pid 525] close(21) = -1 EBADF (Bad file descriptor) [pid 525] close(22) = -1 EBADF (Bad file descriptor) [pid 525] close(23) = -1 EBADF (Bad file descriptor) [pid 525] close(24) = -1 EBADF (Bad file descriptor) [pid 525] close(25) = -1 EBADF (Bad file descriptor) [pid 525] close(26) = -1 EBADF (Bad file descriptor) [pid 525] close(27) = -1 EBADF (Bad file descriptor) [pid 525] close(28) = -1 EBADF (Bad file descriptor) [pid 525] close(29) = -1 EBADF (Bad file descriptor) [pid 525] exit_group(0) = ? [pid 525] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./227/binderfs") = 0 [pid 297] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./227/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./227/cgroup.net") = 0 [pid 297] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./227/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./227/cgroup.cpu") = 0 [pid 297] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./227/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./227/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./227") = 0 [pid 297] mkdir("./228", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 230 ./strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x555565b1f660, 24) = 0 [pid 526] chdir("./228") = 0 [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 526] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 526] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 526] write(3, "1000", 4) = 4 [pid 526] close(3) = 0 [pid 526] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 526] write(1, "executing program\n", 18) = 18 [ 29.547829][ T524] incfs: Error allocating mount info. -12 [ 29.553615][ T524] incfs: mount failed -12 [ 29.576871][ T525] incfs: Error allocating mount info. -12 [ 29.582664][ T525] incfs: mount failed -12 [pid 526] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 526] close(3) = -1 EBADF (Bad file descriptor) [pid 526] close(4) = -1 EBADF (Bad file descriptor) [pid 526] close(5) = -1 EBADF (Bad file descriptor) [pid 526] close(6) = -1 EBADF (Bad file descriptor) [pid 526] close(7) = -1 EBADF (Bad file descriptor) [pid 526] close(8) = -1 EBADF (Bad file descriptor) [pid 526] close(9) = -1 EBADF (Bad file descriptor) [pid 526] close(10) = -1 EBADF (Bad file descriptor) [pid 526] close(11) = -1 EBADF (Bad file descriptor) [pid 526] close(12) = -1 EBADF (Bad file descriptor) [pid 526] close(13) = -1 EBADF (Bad file descriptor) [pid 526] close(14) = -1 EBADF (Bad file descriptor) [pid 526] close(15) = -1 EBADF (Bad file descriptor) [pid 526] close(16) = -1 EBADF (Bad file descriptor) [pid 526] close(17) = -1 EBADF (Bad file descriptor) [pid 526] close(18) = -1 EBADF (Bad file descriptor) [pid 526] close(19) = -1 EBADF (Bad file descriptor) [pid 526] close(20) = -1 EBADF (Bad file descriptor) [pid 526] close(21) = -1 EBADF (Bad file descriptor) [pid 526] close(22) = -1 EBADF (Bad file descriptor) [pid 526] close(23) = -1 EBADF (Bad file descriptor) [pid 526] close(24) = -1 EBADF (Bad file descriptor) [pid 526] close(25) = -1 EBADF (Bad file descriptor) [pid 526] close(26) = -1 EBADF (Bad file descriptor) [pid 526] close(27) = -1 EBADF (Bad file descriptor) [pid 526] close(28) = -1 EBADF (Bad file descriptor) [pid 526] close(29) = -1 EBADF (Bad file descriptor) [pid 526] exit_group(0) = ? [pid 526] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./228/binderfs") = 0 [pid 297] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./228/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./228/cgroup.net") = 0 [pid 297] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./228/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./228/cgroup.cpu") = 0 [pid 297] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./228/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./228/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./228") = 0 [pid 297] mkdir("./229", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 231 ./strace-static-x86_64: Process 527 attached [pid 527] set_robust_list(0x555565b1f660, 24) = 0 [pid 527] chdir("./229") = 0 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 527] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 527] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 executing program [pid 527] symlink("/dev/binderfs", "./binderfs") = 0 [pid 527] write(1, "executing program\n", 18) = 18 [pid 527] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 527] close(3) = -1 EBADF (Bad file descriptor) [pid 527] close(4) = -1 EBADF (Bad file descriptor) [pid 527] close(5) = -1 EBADF (Bad file descriptor) [pid 527] close(6) = -1 EBADF (Bad file descriptor) [pid 527] close(7) = -1 EBADF (Bad file descriptor) [pid 527] close(8) = -1 EBADF (Bad file descriptor) [pid 527] close(9) = -1 EBADF (Bad file descriptor) [pid 527] close(10) = -1 EBADF (Bad file descriptor) [pid 527] close(11) = -1 EBADF (Bad file descriptor) [pid 527] close(12) = -1 EBADF (Bad file descriptor) [pid 527] close(13) = -1 EBADF (Bad file descriptor) [pid 527] close(14) = -1 EBADF (Bad file descriptor) [pid 527] close(15) = -1 EBADF (Bad file descriptor) [pid 527] close(16) = -1 EBADF (Bad file descriptor) [pid 527] close(17) = -1 EBADF (Bad file descriptor) [pid 527] close(18) = -1 EBADF (Bad file descriptor) [pid 527] close(19) = -1 EBADF (Bad file descriptor) [pid 527] close(20) = -1 EBADF (Bad file descriptor) [pid 527] close(21) = -1 EBADF (Bad file descriptor) [pid 527] close(22) = -1 EBADF (Bad file descriptor) [pid 527] close(23) = -1 EBADF (Bad file descriptor) [pid 527] close(24) = -1 EBADF (Bad file descriptor) [pid 527] close(25) = -1 EBADF (Bad file descriptor) [pid 527] close(26) = -1 EBADF (Bad file descriptor) [pid 527] close(27) = -1 EBADF (Bad file descriptor) [pid 527] close(28) = -1 EBADF (Bad file descriptor) [pid 527] close(29) = -1 EBADF (Bad file descriptor) [pid 527] exit_group(0) = ? [pid 527] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./229/binderfs") = 0 [pid 297] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./229/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./229/cgroup.net") = 0 [pid 297] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./229/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./229/cgroup.cpu") = 0 [pid 297] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./229/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./229/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./229") = 0 [pid 297] mkdir("./230", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 232 ./strace-static-x86_64: Process 528 attached [pid 528] set_robust_list(0x555565b1f660, 24) = 0 [pid 528] chdir("./230") = 0 [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 528] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 528] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4) = 4 [pid 528] close(3) = 0 [pid 528] symlink("/dev/binderfs", "./binderfs") = 0 [pid 528] write(1, "executing program\n", 18executing program ) = 18 [ 29.598350][ T526] incfs: Error allocating mount info. -12 [ 29.604174][ T526] incfs: mount failed -12 [ 29.626400][ T527] incfs: Error allocating mount info. -12 [ 29.632234][ T527] incfs: mount failed -12 [pid 528] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 528] close(3) = -1 EBADF (Bad file descriptor) [pid 528] close(4) = -1 EBADF (Bad file descriptor) [pid 528] close(5) = -1 EBADF (Bad file descriptor) [pid 528] close(6) = -1 EBADF (Bad file descriptor) [pid 528] close(7) = -1 EBADF (Bad file descriptor) [pid 528] close(8) = -1 EBADF (Bad file descriptor) [pid 528] close(9) = -1 EBADF (Bad file descriptor) [pid 528] close(10) = -1 EBADF (Bad file descriptor) [pid 528] close(11) = -1 EBADF (Bad file descriptor) [pid 528] close(12) = -1 EBADF (Bad file descriptor) [pid 528] close(13) = -1 EBADF (Bad file descriptor) [pid 528] close(14) = -1 EBADF (Bad file descriptor) [pid 528] close(15) = -1 EBADF (Bad file descriptor) [pid 528] close(16) = -1 EBADF (Bad file descriptor) [pid 528] close(17) = -1 EBADF (Bad file descriptor) [pid 528] close(18) = -1 EBADF (Bad file descriptor) [pid 528] close(19) = -1 EBADF (Bad file descriptor) [pid 528] close(20) = -1 EBADF (Bad file descriptor) [pid 528] close(21) = -1 EBADF (Bad file descriptor) [pid 528] close(22) = -1 EBADF (Bad file descriptor) [pid 528] close(23) = -1 EBADF (Bad file descriptor) [pid 528] close(24) = -1 EBADF (Bad file descriptor) [pid 528] close(25) = -1 EBADF (Bad file descriptor) [pid 528] close(26) = -1 EBADF (Bad file descriptor) [pid 528] close(27) = -1 EBADF (Bad file descriptor) [pid 528] close(28) = -1 EBADF (Bad file descriptor) [pid 528] close(29) = -1 EBADF (Bad file descriptor) [pid 528] exit_group(0) = ? [pid 528] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./230/binderfs") = 0 [pid 297] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./230/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./230/cgroup.net") = 0 [pid 297] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./230/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./230/cgroup.cpu") = 0 [pid 297] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./230/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./230/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./230") = 0 [pid 297] mkdir("./231", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 529 attached , child_tidptr=0x555565b1f650) = 233 [pid 529] set_robust_list(0x555565b1f660, 24) = 0 [pid 529] chdir("./231") = 0 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 529] setpgid(0, 0) = 0 [pid 529] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 529] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 529] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 529] write(3, "1000", 4) = 4 [pid 529] close(3) = 0 [pid 529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 529] write(1, "executing program\n", 18executing program ) = 18 [pid 529] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 529] close(3) = -1 EBADF (Bad file descriptor) [pid 529] close(4) = -1 EBADF (Bad file descriptor) [pid 529] close(5) = -1 EBADF (Bad file descriptor) [pid 529] close(6) = -1 EBADF (Bad file descriptor) [pid 529] close(7) = -1 EBADF (Bad file descriptor) [pid 529] close(8) = -1 EBADF (Bad file descriptor) [pid 529] close(9) = -1 EBADF (Bad file descriptor) [pid 529] close(10) = -1 EBADF (Bad file descriptor) [pid 529] close(11) = -1 EBADF (Bad file descriptor) [pid 529] close(12) = -1 EBADF (Bad file descriptor) [pid 529] close(13) = -1 EBADF (Bad file descriptor) [pid 529] close(14) = -1 EBADF (Bad file descriptor) [pid 529] close(15) = -1 EBADF (Bad file descriptor) [pid 529] close(16) = -1 EBADF (Bad file descriptor) [pid 529] close(17) = -1 EBADF (Bad file descriptor) [pid 529] close(18) = -1 EBADF (Bad file descriptor) [pid 529] close(19) = -1 EBADF (Bad file descriptor) [pid 529] close(20) = -1 EBADF (Bad file descriptor) [pid 529] close(21) = -1 EBADF (Bad file descriptor) [pid 529] close(22) = -1 EBADF (Bad file descriptor) [pid 529] close(23) = -1 EBADF (Bad file descriptor) [pid 529] close(24) = -1 EBADF (Bad file descriptor) [pid 529] close(25) = -1 EBADF (Bad file descriptor) [pid 529] close(26) = -1 EBADF (Bad file descriptor) [pid 529] close(27) = -1 EBADF (Bad file descriptor) [pid 529] close(28) = -1 EBADF (Bad file descriptor) [pid 529] close(29) = -1 EBADF (Bad file descriptor) [pid 529] exit_group(0) = ? [pid 529] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./231/binderfs") = 0 [pid 297] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./231/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./231/cgroup.net") = 0 [pid 297] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./231/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./231/cgroup.cpu") = 0 [pid 297] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./231/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./231/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./231") = 0 [pid 297] mkdir("./232", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 234 ./strace-static-x86_64: Process 530 attached [pid 530] set_robust_list(0x555565b1f660, 24) = 0 [pid 530] chdir("./232") = 0 [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 530] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 530] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 530] write(1, "executing program\n", 18) = 18 [ 29.650377][ T528] incfs: Error allocating mount info. -12 [ 29.656124][ T528] incfs: mount failed -12 [ 29.678647][ T529] incfs: Error allocating mount info. -12 [ 29.684399][ T529] incfs: mount failed -12 [pid 530] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 530] close(3) = -1 EBADF (Bad file descriptor) [pid 530] close(4) = -1 EBADF (Bad file descriptor) [pid 530] close(5) = -1 EBADF (Bad file descriptor) [pid 530] close(6) = -1 EBADF (Bad file descriptor) [pid 530] close(7) = -1 EBADF (Bad file descriptor) [pid 530] close(8) = -1 EBADF (Bad file descriptor) [pid 530] close(9) = -1 EBADF (Bad file descriptor) [pid 530] close(10) = -1 EBADF (Bad file descriptor) [pid 530] close(11) = -1 EBADF (Bad file descriptor) [pid 530] close(12) = -1 EBADF (Bad file descriptor) [pid 530] close(13) = -1 EBADF (Bad file descriptor) [pid 530] close(14) = -1 EBADF (Bad file descriptor) [pid 530] close(15) = -1 EBADF (Bad file descriptor) [pid 530] close(16) = -1 EBADF (Bad file descriptor) [pid 530] close(17) = -1 EBADF (Bad file descriptor) [pid 530] close(18) = -1 EBADF (Bad file descriptor) [pid 530] close(19) = -1 EBADF (Bad file descriptor) [pid 530] close(20) = -1 EBADF (Bad file descriptor) [pid 530] close(21) = -1 EBADF (Bad file descriptor) [pid 530] close(22) = -1 EBADF (Bad file descriptor) [pid 530] close(23) = -1 EBADF (Bad file descriptor) [pid 530] close(24) = -1 EBADF (Bad file descriptor) [pid 530] close(25) = -1 EBADF (Bad file descriptor) [pid 530] close(26) = -1 EBADF (Bad file descriptor) [pid 530] close(27) = -1 EBADF (Bad file descriptor) [pid 530] close(28) = -1 EBADF (Bad file descriptor) [pid 530] close(29) = -1 EBADF (Bad file descriptor) [pid 530] exit_group(0) = ? [pid 530] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./232/binderfs") = 0 [pid 297] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./232/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./232/cgroup.net") = 0 [pid 297] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./232/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./232/cgroup.cpu") = 0 [pid 297] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./232/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./232/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./232") = 0 [pid 297] mkdir("./233", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 235 ./strace-static-x86_64: Process 531 attached [pid 531] set_robust_list(0x555565b1f660, 24) = 0 [pid 531] chdir("./233") = 0 [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 531] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 531] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 [pid 531] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 531] write(1, "executing program\n", 18) = 18 [pid 531] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 531] close(3) = -1 EBADF (Bad file descriptor) [pid 531] close(4) = -1 EBADF (Bad file descriptor) [pid 531] close(5) = -1 EBADF (Bad file descriptor) [pid 531] close(6) = -1 EBADF (Bad file descriptor) [pid 531] close(7) = -1 EBADF (Bad file descriptor) [pid 531] close(8) = -1 EBADF (Bad file descriptor) [pid 531] close(9) = -1 EBADF (Bad file descriptor) [pid 531] close(10) = -1 EBADF (Bad file descriptor) [pid 531] close(11) = -1 EBADF (Bad file descriptor) [pid 531] close(12) = -1 EBADF (Bad file descriptor) [pid 531] close(13) = -1 EBADF (Bad file descriptor) [pid 531] close(14) = -1 EBADF (Bad file descriptor) [pid 531] close(15) = -1 EBADF (Bad file descriptor) [pid 531] close(16) = -1 EBADF (Bad file descriptor) [pid 531] close(17) = -1 EBADF (Bad file descriptor) [pid 531] close(18) = -1 EBADF (Bad file descriptor) [pid 531] close(19) = -1 EBADF (Bad file descriptor) [pid 531] close(20) = -1 EBADF (Bad file descriptor) [pid 531] close(21) = -1 EBADF (Bad file descriptor) [pid 531] close(22) = -1 EBADF (Bad file descriptor) [pid 531] close(23) = -1 EBADF (Bad file descriptor) [pid 531] close(24) = -1 EBADF (Bad file descriptor) [pid 531] close(25) = -1 EBADF (Bad file descriptor) [pid 531] close(26) = -1 EBADF (Bad file descriptor) [pid 531] close(27) = -1 EBADF (Bad file descriptor) [pid 531] close(28) = -1 EBADF (Bad file descriptor) [pid 531] close(29) = -1 EBADF (Bad file descriptor) [pid 531] exit_group(0) = ? [pid 531] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./233/binderfs") = 0 [pid 297] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./233/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./233/cgroup.net") = 0 [pid 297] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./233/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./233/cgroup.cpu") = 0 [pid 297] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./233/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./233/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./233") = 0 [pid 297] mkdir("./234", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 236 ./strace-static-x86_64: Process 532 attached [pid 532] set_robust_list(0x555565b1f660, 24) = 0 [pid 532] chdir("./234") = 0 [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 532] setpgid(0, 0) = 0 [pid 532] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 532] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 532] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 532] write(3, "1000", 4) = 4 [pid 532] close(3) = 0 [pid 532] symlink("/dev/binderfs", "./binderfs") = 0 [pid 532] write(1, "executing program\n", 18executing program ) = 18 [ 29.707357][ T530] incfs: Error allocating mount info. -12 [ 29.713154][ T530] incfs: mount failed -12 [ 29.733694][ T531] incfs: Error allocating mount info. -12 [ 29.739503][ T531] incfs: mount failed -12 [pid 532] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 532] close(3) = -1 EBADF (Bad file descriptor) [pid 532] close(4) = -1 EBADF (Bad file descriptor) [pid 532] close(5) = -1 EBADF (Bad file descriptor) [pid 532] close(6) = -1 EBADF (Bad file descriptor) [pid 532] close(7) = -1 EBADF (Bad file descriptor) [pid 532] close(8) = -1 EBADF (Bad file descriptor) [pid 532] close(9) = -1 EBADF (Bad file descriptor) [pid 532] close(10) = -1 EBADF (Bad file descriptor) [pid 532] close(11) = -1 EBADF (Bad file descriptor) [pid 532] close(12) = -1 EBADF (Bad file descriptor) [pid 532] close(13) = -1 EBADF (Bad file descriptor) [pid 532] close(14) = -1 EBADF (Bad file descriptor) [pid 532] close(15) = -1 EBADF (Bad file descriptor) [pid 532] close(16) = -1 EBADF (Bad file descriptor) [pid 532] close(17) = -1 EBADF (Bad file descriptor) [pid 532] close(18) = -1 EBADF (Bad file descriptor) [pid 532] close(19) = -1 EBADF (Bad file descriptor) [pid 532] close(20) = -1 EBADF (Bad file descriptor) [pid 532] close(21) = -1 EBADF (Bad file descriptor) [pid 532] close(22) = -1 EBADF (Bad file descriptor) [pid 532] close(23) = -1 EBADF (Bad file descriptor) [pid 532] close(24) = -1 EBADF (Bad file descriptor) [pid 532] close(25) = -1 EBADF (Bad file descriptor) [pid 532] close(26) = -1 EBADF (Bad file descriptor) [pid 532] close(27) = -1 EBADF (Bad file descriptor) [pid 532] close(28) = -1 EBADF (Bad file descriptor) [pid 532] close(29) = -1 EBADF (Bad file descriptor) [pid 532] exit_group(0) = ? [pid 532] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./234/binderfs") = 0 [pid 297] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./234/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./234/cgroup.net") = 0 [pid 297] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./234/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./234/cgroup.cpu") = 0 [pid 297] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./234/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./234/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./234") = 0 [pid 297] mkdir("./235", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 237 ./strace-static-x86_64: Process 533 attached [pid 533] set_robust_list(0x555565b1f660, 24) = 0 [pid 533] chdir("./235") = 0 [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 533] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 533] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 [pid 533] symlink("/dev/binderfs", "./binderfs") = 0 [pid 533] write(1, "executing program\n", 18executing program ) = 18 [pid 533] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 533] close(3) = -1 EBADF (Bad file descriptor) [pid 533] close(4) = -1 EBADF (Bad file descriptor) [pid 533] close(5) = -1 EBADF (Bad file descriptor) [pid 533] close(6) = -1 EBADF (Bad file descriptor) [pid 533] close(7) = -1 EBADF (Bad file descriptor) [pid 533] close(8) = -1 EBADF (Bad file descriptor) [pid 533] close(9) = -1 EBADF (Bad file descriptor) [pid 533] close(10) = -1 EBADF (Bad file descriptor) [pid 533] close(11) = -1 EBADF (Bad file descriptor) [pid 533] close(12) = -1 EBADF (Bad file descriptor) [pid 533] close(13) = -1 EBADF (Bad file descriptor) [pid 533] close(14) = -1 EBADF (Bad file descriptor) [pid 533] close(15) = -1 EBADF (Bad file descriptor) [pid 533] close(16) = -1 EBADF (Bad file descriptor) [pid 533] close(17) = -1 EBADF (Bad file descriptor) [pid 533] close(18) = -1 EBADF (Bad file descriptor) [pid 533] close(19) = -1 EBADF (Bad file descriptor) [pid 533] close(20) = -1 EBADF (Bad file descriptor) [pid 533] close(21) = -1 EBADF (Bad file descriptor) [pid 533] close(22) = -1 EBADF (Bad file descriptor) [pid 533] close(23) = -1 EBADF (Bad file descriptor) [pid 533] close(24) = -1 EBADF (Bad file descriptor) [pid 533] close(25) = -1 EBADF (Bad file descriptor) [pid 533] close(26) = -1 EBADF (Bad file descriptor) [pid 533] close(27) = -1 EBADF (Bad file descriptor) [pid 533] close(28) = -1 EBADF (Bad file descriptor) [pid 533] close(29) = -1 EBADF (Bad file descriptor) [pid 533] exit_group(0) = ? [pid 533] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./235/binderfs") = 0 [pid 297] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./235/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./235/cgroup.net") = 0 [pid 297] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./235/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./235/cgroup.cpu") = 0 [pid 297] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./235/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./235/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./235") = 0 [pid 297] mkdir("./236", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 238 ./strace-static-x86_64: Process 534 attached [pid 534] set_robust_list(0x555565b1f660, 24) = 0 [pid 534] chdir("./236") = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 534] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 534] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 534] write(1, "executing program\n", 18executing program ) = 18 [ 29.762218][ T532] incfs: Error allocating mount info. -12 [ 29.768315][ T532] incfs: mount failed -12 [ 29.793252][ T533] incfs: Error allocating mount info. -12 [ 29.799035][ T533] incfs: mount failed -12 [pid 534] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 534] close(3) = -1 EBADF (Bad file descriptor) [pid 534] close(4) = -1 EBADF (Bad file descriptor) [pid 534] close(5) = -1 EBADF (Bad file descriptor) [pid 534] close(6) = -1 EBADF (Bad file descriptor) [pid 534] close(7) = -1 EBADF (Bad file descriptor) [pid 534] close(8) = -1 EBADF (Bad file descriptor) [pid 534] close(9) = -1 EBADF (Bad file descriptor) [pid 534] close(10) = -1 EBADF (Bad file descriptor) [pid 534] close(11) = -1 EBADF (Bad file descriptor) [pid 534] close(12) = -1 EBADF (Bad file descriptor) [pid 534] close(13) = -1 EBADF (Bad file descriptor) [pid 534] close(14) = -1 EBADF (Bad file descriptor) [pid 534] close(15) = -1 EBADF (Bad file descriptor) [pid 534] close(16) = -1 EBADF (Bad file descriptor) [pid 534] close(17) = -1 EBADF (Bad file descriptor) [pid 534] close(18) = -1 EBADF (Bad file descriptor) [pid 534] close(19) = -1 EBADF (Bad file descriptor) [pid 534] close(20) = -1 EBADF (Bad file descriptor) [pid 534] close(21) = -1 EBADF (Bad file descriptor) [pid 534] close(22) = -1 EBADF (Bad file descriptor) [pid 534] close(23) = -1 EBADF (Bad file descriptor) [pid 534] close(24) = -1 EBADF (Bad file descriptor) [pid 534] close(25) = -1 EBADF (Bad file descriptor) [pid 534] close(26) = -1 EBADF (Bad file descriptor) [pid 534] close(27) = -1 EBADF (Bad file descriptor) [pid 534] close(28) = -1 EBADF (Bad file descriptor) [pid 534] close(29) = -1 EBADF (Bad file descriptor) [pid 534] exit_group(0) = ? [pid 534] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./236/binderfs") = 0 [pid 297] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./236/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./236/cgroup.net") = 0 [pid 297] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./236/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./236/cgroup.cpu") = 0 [pid 297] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./236/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./236/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./236") = 0 [pid 297] mkdir("./237", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 239 ./strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x555565b1f660, 24) = 0 [pid 535] chdir("./237") = 0 [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 535] setpgid(0, 0) = 0 [pid 535] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 535] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 535] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 535] write(3, "1000", 4) = 4 [pid 535] close(3) = 0 [pid 535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 535] write(1, "executing program\n", 18executing program ) = 18 [pid 535] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 535] close(3) = -1 EBADF (Bad file descriptor) [pid 535] close(4) = -1 EBADF (Bad file descriptor) [pid 535] close(5) = -1 EBADF (Bad file descriptor) [pid 535] close(6) = -1 EBADF (Bad file descriptor) [pid 535] close(7) = -1 EBADF (Bad file descriptor) [pid 535] close(8) = -1 EBADF (Bad file descriptor) [pid 535] close(9) = -1 EBADF (Bad file descriptor) [pid 535] close(10) = -1 EBADF (Bad file descriptor) [pid 535] close(11) = -1 EBADF (Bad file descriptor) [pid 535] close(12) = -1 EBADF (Bad file descriptor) [pid 535] close(13) = -1 EBADF (Bad file descriptor) [pid 535] close(14) = -1 EBADF (Bad file descriptor) [pid 535] close(15) = -1 EBADF (Bad file descriptor) [pid 535] close(16) = -1 EBADF (Bad file descriptor) [pid 535] close(17) = -1 EBADF (Bad file descriptor) [pid 535] close(18) = -1 EBADF (Bad file descriptor) [pid 535] close(19) = -1 EBADF (Bad file descriptor) [pid 535] close(20) = -1 EBADF (Bad file descriptor) [pid 535] close(21) = -1 EBADF (Bad file descriptor) [pid 535] close(22) = -1 EBADF (Bad file descriptor) [pid 535] close(23) = -1 EBADF (Bad file descriptor) [pid 535] close(24) = -1 EBADF (Bad file descriptor) [pid 535] close(25) = -1 EBADF (Bad file descriptor) [pid 535] close(26) = -1 EBADF (Bad file descriptor) [pid 535] close(27) = -1 EBADF (Bad file descriptor) [pid 535] close(28) = -1 EBADF (Bad file descriptor) [pid 535] close(29) = -1 EBADF (Bad file descriptor) [pid 535] exit_group(0) = ? [pid 535] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./237/binderfs") = 0 [pid 297] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./237/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./237/cgroup.net") = 0 [pid 297] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./237/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./237/cgroup.cpu") = 0 [pid 297] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./237/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./237/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./237") = 0 [pid 297] mkdir("./238", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 536 attached , child_tidptr=0x555565b1f650) = 240 [pid 536] set_robust_list(0x555565b1f660, 24) = 0 [pid 536] chdir("./238") = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 536] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 536] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 536] write(1, "executing program\n", 18executing program ) = 18 [ 29.820370][ T534] incfs: Error allocating mount info. -12 [ 29.826128][ T534] incfs: mount failed -12 [ 29.846089][ T535] incfs: Error allocating mount info. -12 [ 29.851951][ T535] incfs: mount failed -12 [pid 536] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 536] close(3) = -1 EBADF (Bad file descriptor) [pid 536] close(4) = -1 EBADF (Bad file descriptor) [pid 536] close(5) = -1 EBADF (Bad file descriptor) [pid 536] close(6) = -1 EBADF (Bad file descriptor) [pid 536] close(7) = -1 EBADF (Bad file descriptor) [pid 536] close(8) = -1 EBADF (Bad file descriptor) [pid 536] close(9) = -1 EBADF (Bad file descriptor) [pid 536] close(10) = -1 EBADF (Bad file descriptor) [pid 536] close(11) = -1 EBADF (Bad file descriptor) [pid 536] close(12) = -1 EBADF (Bad file descriptor) [pid 536] close(13) = -1 EBADF (Bad file descriptor) [pid 536] close(14) = -1 EBADF (Bad file descriptor) [pid 536] close(15) = -1 EBADF (Bad file descriptor) [pid 536] close(16) = -1 EBADF (Bad file descriptor) [pid 536] close(17) = -1 EBADF (Bad file descriptor) [pid 536] close(18) = -1 EBADF (Bad file descriptor) [pid 536] close(19) = -1 EBADF (Bad file descriptor) [pid 536] close(20) = -1 EBADF (Bad file descriptor) [pid 536] close(21) = -1 EBADF (Bad file descriptor) [pid 536] close(22) = -1 EBADF (Bad file descriptor) [pid 536] close(23) = -1 EBADF (Bad file descriptor) [pid 536] close(24) = -1 EBADF (Bad file descriptor) [pid 536] close(25) = -1 EBADF (Bad file descriptor) [pid 536] close(26) = -1 EBADF (Bad file descriptor) [pid 536] close(27) = -1 EBADF (Bad file descriptor) [pid 536] close(28) = -1 EBADF (Bad file descriptor) [pid 536] close(29) = -1 EBADF (Bad file descriptor) [pid 536] exit_group(0) = ? [pid 536] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./238/binderfs") = 0 [pid 297] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./238/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./238/cgroup.net") = 0 [pid 297] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./238/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./238/cgroup.cpu") = 0 [pid 297] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./238/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./238/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./238") = 0 [pid 297] mkdir("./239", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 537 attached , child_tidptr=0x555565b1f650) = 241 [pid 537] set_robust_list(0x555565b1f660, 24) = 0 [pid 537] chdir("./239") = 0 [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 537] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 537] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3) = 0 [pid 537] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 537] write(1, "executing program\n", 18) = 18 [pid 537] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 537] close(3) = -1 EBADF (Bad file descriptor) [pid 537] close(4) = -1 EBADF (Bad file descriptor) [pid 537] close(5) = -1 EBADF (Bad file descriptor) [pid 537] close(6) = -1 EBADF (Bad file descriptor) [pid 537] close(7) = -1 EBADF (Bad file descriptor) [pid 537] close(8) = -1 EBADF (Bad file descriptor) [pid 537] close(9) = -1 EBADF (Bad file descriptor) [pid 537] close(10) = -1 EBADF (Bad file descriptor) [pid 537] close(11) = -1 EBADF (Bad file descriptor) [pid 537] close(12) = -1 EBADF (Bad file descriptor) [pid 537] close(13) = -1 EBADF (Bad file descriptor) [pid 537] close(14) = -1 EBADF (Bad file descriptor) [pid 537] close(15) = -1 EBADF (Bad file descriptor) [pid 537] close(16) = -1 EBADF (Bad file descriptor) [pid 537] close(17) = -1 EBADF (Bad file descriptor) [pid 537] close(18) = -1 EBADF (Bad file descriptor) [pid 537] close(19) = -1 EBADF (Bad file descriptor) [pid 537] close(20) = -1 EBADF (Bad file descriptor) [pid 537] close(21) = -1 EBADF (Bad file descriptor) [pid 537] close(22) = -1 EBADF (Bad file descriptor) [pid 537] close(23) = -1 EBADF (Bad file descriptor) [pid 537] close(24) = -1 EBADF (Bad file descriptor) [pid 537] close(25) = -1 EBADF (Bad file descriptor) [pid 537] close(26) = -1 EBADF (Bad file descriptor) [pid 537] close(27) = -1 EBADF (Bad file descriptor) [pid 537] close(28) = -1 EBADF (Bad file descriptor) [pid 537] close(29) = -1 EBADF (Bad file descriptor) [pid 537] exit_group(0) = ? [pid 537] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./239/binderfs") = 0 [pid 297] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./239/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./239/cgroup.net") = 0 [pid 297] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./239/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./239/cgroup.cpu") = 0 [pid 297] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./239/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./239/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./239") = 0 [pid 297] mkdir("./240", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 242 ./strace-static-x86_64: Process 538 attached [pid 538] set_robust_list(0x555565b1f660, 24) = 0 [pid 538] chdir("./240") = 0 [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 538] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 538] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 538] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 538] write(1, "executing program\n", 18) = 18 [ 29.874415][ T536] incfs: Error allocating mount info. -12 [ 29.880224][ T536] incfs: mount failed -12 [ 29.902922][ T537] incfs: Error allocating mount info. -12 [ 29.908728][ T537] incfs: mount failed -12 [pid 538] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 538] close(3) = -1 EBADF (Bad file descriptor) [pid 538] close(4) = -1 EBADF (Bad file descriptor) [pid 538] close(5) = -1 EBADF (Bad file descriptor) [pid 538] close(6) = -1 EBADF (Bad file descriptor) [pid 538] close(7) = -1 EBADF (Bad file descriptor) [pid 538] close(8) = -1 EBADF (Bad file descriptor) [pid 538] close(9) = -1 EBADF (Bad file descriptor) [pid 538] close(10) = -1 EBADF (Bad file descriptor) [pid 538] close(11) = -1 EBADF (Bad file descriptor) [pid 538] close(12) = -1 EBADF (Bad file descriptor) [pid 538] close(13) = -1 EBADF (Bad file descriptor) [pid 538] close(14) = -1 EBADF (Bad file descriptor) [pid 538] close(15) = -1 EBADF (Bad file descriptor) [pid 538] close(16) = -1 EBADF (Bad file descriptor) [pid 538] close(17) = -1 EBADF (Bad file descriptor) [pid 538] close(18) = -1 EBADF (Bad file descriptor) [pid 538] close(19) = -1 EBADF (Bad file descriptor) [pid 538] close(20) = -1 EBADF (Bad file descriptor) [pid 538] close(21) = -1 EBADF (Bad file descriptor) [pid 538] close(22) = -1 EBADF (Bad file descriptor) [pid 538] close(23) = -1 EBADF (Bad file descriptor) [pid 538] close(24) = -1 EBADF (Bad file descriptor) [pid 538] close(25) = -1 EBADF (Bad file descriptor) [pid 538] close(26) = -1 EBADF (Bad file descriptor) [pid 538] close(27) = -1 EBADF (Bad file descriptor) [pid 538] close(28) = -1 EBADF (Bad file descriptor) [pid 538] close(29) = -1 EBADF (Bad file descriptor) [pid 538] exit_group(0) = ? [pid 538] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./240/binderfs") = 0 [pid 297] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./240/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./240/cgroup.net") = 0 [pid 297] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./240/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./240/cgroup.cpu") = 0 [pid 297] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./240/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./240/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./240") = 0 [pid 297] mkdir("./241", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 539 attached , child_tidptr=0x555565b1f650) = 243 [pid 539] set_robust_list(0x555565b1f660, 24) = 0 [pid 539] chdir("./241") = 0 [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0) = 0 [pid 539] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 539] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 539] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 executing program [pid 539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 539] write(1, "executing program\n", 18) = 18 [pid 539] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 539] close(3) = -1 EBADF (Bad file descriptor) [pid 539] close(4) = -1 EBADF (Bad file descriptor) [pid 539] close(5) = -1 EBADF (Bad file descriptor) [pid 539] close(6) = -1 EBADF (Bad file descriptor) [pid 539] close(7) = -1 EBADF (Bad file descriptor) [pid 539] close(8) = -1 EBADF (Bad file descriptor) [pid 539] close(9) = -1 EBADF (Bad file descriptor) [pid 539] close(10) = -1 EBADF (Bad file descriptor) [pid 539] close(11) = -1 EBADF (Bad file descriptor) [pid 539] close(12) = -1 EBADF (Bad file descriptor) [pid 539] close(13) = -1 EBADF (Bad file descriptor) [pid 539] close(14) = -1 EBADF (Bad file descriptor) [pid 539] close(15) = -1 EBADF (Bad file descriptor) [pid 539] close(16) = -1 EBADF (Bad file descriptor) [pid 539] close(17) = -1 EBADF (Bad file descriptor) [pid 539] close(18) = -1 EBADF (Bad file descriptor) [pid 539] close(19) = -1 EBADF (Bad file descriptor) [pid 539] close(20) = -1 EBADF (Bad file descriptor) [pid 539] close(21) = -1 EBADF (Bad file descriptor) [pid 539] close(22) = -1 EBADF (Bad file descriptor) [pid 539] close(23) = -1 EBADF (Bad file descriptor) [pid 539] close(24) = -1 EBADF (Bad file descriptor) [pid 539] close(25) = -1 EBADF (Bad file descriptor) [pid 539] close(26) = -1 EBADF (Bad file descriptor) [pid 539] close(27) = -1 EBADF (Bad file descriptor) [pid 539] close(28) = -1 EBADF (Bad file descriptor) [pid 539] close(29) = -1 EBADF (Bad file descriptor) [pid 539] exit_group(0) = ? [pid 539] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./241/binderfs") = 0 [pid 297] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./241/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./241/cgroup.net") = 0 [pid 297] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./241/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./241/cgroup.cpu") = 0 [pid 297] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./241/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./241/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./241") = 0 [pid 297] mkdir("./242", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 244 ./strace-static-x86_64: Process 540 attached [pid 540] set_robust_list(0x555565b1f660, 24) = 0 [pid 540] chdir("./242") = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 540] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 540] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 540] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 540] write(1, "executing program\n", 18) = 18 [ 29.924879][ T538] incfs: Error allocating mount info. -12 [ 29.930678][ T538] incfs: mount failed -12 [ 29.952759][ T539] incfs: Error allocating mount info. -12 [ 29.958583][ T539] incfs: mount failed -12 [pid 540] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 540] close(3) = -1 EBADF (Bad file descriptor) [pid 540] close(4) = -1 EBADF (Bad file descriptor) [pid 540] close(5) = -1 EBADF (Bad file descriptor) [pid 540] close(6) = -1 EBADF (Bad file descriptor) [pid 540] close(7) = -1 EBADF (Bad file descriptor) [pid 540] close(8) = -1 EBADF (Bad file descriptor) [pid 540] close(9) = -1 EBADF (Bad file descriptor) [pid 540] close(10) = -1 EBADF (Bad file descriptor) [pid 540] close(11) = -1 EBADF (Bad file descriptor) [pid 540] close(12) = -1 EBADF (Bad file descriptor) [pid 540] close(13) = -1 EBADF (Bad file descriptor) [pid 540] close(14) = -1 EBADF (Bad file descriptor) [pid 540] close(15) = -1 EBADF (Bad file descriptor) [pid 540] close(16) = -1 EBADF (Bad file descriptor) [pid 540] close(17) = -1 EBADF (Bad file descriptor) [pid 540] close(18) = -1 EBADF (Bad file descriptor) [pid 540] close(19) = -1 EBADF (Bad file descriptor) [pid 540] close(20) = -1 EBADF (Bad file descriptor) [pid 540] close(21) = -1 EBADF (Bad file descriptor) [pid 540] close(22) = -1 EBADF (Bad file descriptor) [pid 540] close(23) = -1 EBADF (Bad file descriptor) [pid 540] close(24) = -1 EBADF (Bad file descriptor) [pid 540] close(25) = -1 EBADF (Bad file descriptor) [pid 540] close(26) = -1 EBADF (Bad file descriptor) [pid 540] close(27) = -1 EBADF (Bad file descriptor) [pid 540] close(28) = -1 EBADF (Bad file descriptor) [pid 540] close(29) = -1 EBADF (Bad file descriptor) [pid 540] exit_group(0) = ? [pid 540] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./242/binderfs") = 0 [pid 297] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./242/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./242/cgroup.net") = 0 [pid 297] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./242/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./242/cgroup.cpu") = 0 [pid 297] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./242/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./242/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./242") = 0 [pid 297] mkdir("./243", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 245 ./strace-static-x86_64: Process 541 attached [pid 541] set_robust_list(0x555565b1f660, 24) = 0 [pid 541] chdir("./243") = 0 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0) = 0 [pid 541] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 541] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 541] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 541] write(3, "1000", 4) = 4 [pid 541] close(3) = 0 [pid 541] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 541] write(1, "executing program\n", 18) = 18 [pid 541] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 541] close(3) = -1 EBADF (Bad file descriptor) [pid 541] close(4) = -1 EBADF (Bad file descriptor) [pid 541] close(5) = -1 EBADF (Bad file descriptor) [pid 541] close(6) = -1 EBADF (Bad file descriptor) [pid 541] close(7) = -1 EBADF (Bad file descriptor) [pid 541] close(8) = -1 EBADF (Bad file descriptor) [pid 541] close(9) = -1 EBADF (Bad file descriptor) [pid 541] close(10) = -1 EBADF (Bad file descriptor) [pid 541] close(11) = -1 EBADF (Bad file descriptor) [pid 541] close(12) = -1 EBADF (Bad file descriptor) [pid 541] close(13) = -1 EBADF (Bad file descriptor) [pid 541] close(14) = -1 EBADF (Bad file descriptor) [pid 541] close(15) = -1 EBADF (Bad file descriptor) [pid 541] close(16) = -1 EBADF (Bad file descriptor) [pid 541] close(17) = -1 EBADF (Bad file descriptor) [pid 541] close(18) = -1 EBADF (Bad file descriptor) [pid 541] close(19) = -1 EBADF (Bad file descriptor) [pid 541] close(20) = -1 EBADF (Bad file descriptor) [pid 541] close(21) = -1 EBADF (Bad file descriptor) [pid 541] close(22) = -1 EBADF (Bad file descriptor) [pid 541] close(23) = -1 EBADF (Bad file descriptor) [pid 541] close(24) = -1 EBADF (Bad file descriptor) [pid 541] close(25) = -1 EBADF (Bad file descriptor) [pid 541] close(26) = -1 EBADF (Bad file descriptor) [pid 541] close(27) = -1 EBADF (Bad file descriptor) [pid 541] close(28) = -1 EBADF (Bad file descriptor) [pid 541] close(29) = -1 EBADF (Bad file descriptor) [pid 541] exit_group(0) = ? [pid 541] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./243/binderfs") = 0 [pid 297] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./243/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./243/cgroup.net") = 0 [pid 297] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./243/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./243/cgroup.cpu") = 0 [pid 297] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./243/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./243/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./243") = 0 [pid 297] mkdir("./244", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 542 attached , child_tidptr=0x555565b1f650) = 246 [pid 542] set_robust_list(0x555565b1f660, 24) = 0 [pid 542] chdir("./244") = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 542] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 542] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 542] write(1, "executing program\n", 18executing program ) = 18 [ 29.977258][ T540] incfs: Error allocating mount info. -12 [ 29.983082][ T540] incfs: mount failed -12 [ 30.001654][ T541] incfs: Error allocating mount info. -12 [ 30.007393][ T541] incfs: mount failed -12 [pid 542] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 542] close(3) = -1 EBADF (Bad file descriptor) [pid 542] close(4) = -1 EBADF (Bad file descriptor) [pid 542] close(5) = -1 EBADF (Bad file descriptor) [pid 542] close(6) = -1 EBADF (Bad file descriptor) [pid 542] close(7) = -1 EBADF (Bad file descriptor) [pid 542] close(8) = -1 EBADF (Bad file descriptor) [pid 542] close(9) = -1 EBADF (Bad file descriptor) [pid 542] close(10) = -1 EBADF (Bad file descriptor) [pid 542] close(11) = -1 EBADF (Bad file descriptor) [pid 542] close(12) = -1 EBADF (Bad file descriptor) [pid 542] close(13) = -1 EBADF (Bad file descriptor) [pid 542] close(14) = -1 EBADF (Bad file descriptor) [pid 542] close(15) = -1 EBADF (Bad file descriptor) [pid 542] close(16) = -1 EBADF (Bad file descriptor) [pid 542] close(17) = -1 EBADF (Bad file descriptor) [pid 542] close(18) = -1 EBADF (Bad file descriptor) [pid 542] close(19) = -1 EBADF (Bad file descriptor) [pid 542] close(20) = -1 EBADF (Bad file descriptor) [pid 542] close(21) = -1 EBADF (Bad file descriptor) [pid 542] close(22) = -1 EBADF (Bad file descriptor) [pid 542] close(23) = -1 EBADF (Bad file descriptor) [pid 542] close(24) = -1 EBADF (Bad file descriptor) [pid 542] close(25) = -1 EBADF (Bad file descriptor) [pid 542] close(26) = -1 EBADF (Bad file descriptor) [pid 542] close(27) = -1 EBADF (Bad file descriptor) [pid 542] close(28) = -1 EBADF (Bad file descriptor) [pid 542] close(29) = -1 EBADF (Bad file descriptor) [pid 542] exit_group(0) = ? [pid 542] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./244/binderfs") = 0 [pid 297] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./244/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./244/cgroup.net") = 0 [pid 297] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./244/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./244/cgroup.cpu") = 0 [pid 297] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./244/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./244/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./244") = 0 [pid 297] mkdir("./245", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 247 ./strace-static-x86_64: Process 543 attached [pid 543] set_robust_list(0x555565b1f660, 24) = 0 [pid 543] chdir("./245") = 0 [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 543] setpgid(0, 0) = 0 [pid 543] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 543] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 543] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3) = 0 [pid 543] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 543] write(1, "executing program\n", 18) = 18 [pid 543] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 543] close(3) = -1 EBADF (Bad file descriptor) [pid 543] close(4) = -1 EBADF (Bad file descriptor) [pid 543] close(5) = -1 EBADF (Bad file descriptor) [pid 543] close(6) = -1 EBADF (Bad file descriptor) [pid 543] close(7) = -1 EBADF (Bad file descriptor) [pid 543] close(8) = -1 EBADF (Bad file descriptor) [pid 543] close(9) = -1 EBADF (Bad file descriptor) [pid 543] close(10) = -1 EBADF (Bad file descriptor) [pid 543] close(11) = -1 EBADF (Bad file descriptor) [pid 543] close(12) = -1 EBADF (Bad file descriptor) [pid 543] close(13) = -1 EBADF (Bad file descriptor) [pid 543] close(14) = -1 EBADF (Bad file descriptor) [pid 543] close(15) = -1 EBADF (Bad file descriptor) [pid 543] close(16) = -1 EBADF (Bad file descriptor) [pid 543] close(17) = -1 EBADF (Bad file descriptor) [pid 543] close(18) = -1 EBADF (Bad file descriptor) [pid 543] close(19) = -1 EBADF (Bad file descriptor) [pid 543] close(20) = -1 EBADF (Bad file descriptor) [pid 543] close(21) = -1 EBADF (Bad file descriptor) [pid 543] close(22) = -1 EBADF (Bad file descriptor) [pid 543] close(23) = -1 EBADF (Bad file descriptor) [pid 543] close(24) = -1 EBADF (Bad file descriptor) [pid 543] close(25) = -1 EBADF (Bad file descriptor) [pid 543] close(26) = -1 EBADF (Bad file descriptor) [pid 543] close(27) = -1 EBADF (Bad file descriptor) [pid 543] close(28) = -1 EBADF (Bad file descriptor) [pid 543] close(29) = -1 EBADF (Bad file descriptor) [pid 543] exit_group(0) = ? [pid 543] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./245/binderfs") = 0 [pid 297] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./245/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./245/cgroup.net") = 0 [pid 297] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./245/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./245/cgroup.cpu") = 0 [pid 297] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./245/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./245/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./245") = 0 [pid 297] mkdir("./246", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 248 ./strace-static-x86_64: Process 544 attached [pid 544] set_robust_list(0x555565b1f660, 24) = 0 [pid 544] chdir("./246") = 0 [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 544] setpgid(0, 0) = 0 [pid 544] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 544] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 544] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 544] write(3, "1000", 4) = 4 [pid 544] close(3) = 0 [pid 544] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 544] write(1, "executing program\n", 18) = 18 [ 30.028280][ T542] incfs: Error allocating mount info. -12 [ 30.034053][ T542] incfs: mount failed -12 [ 30.054331][ T543] incfs: Error allocating mount info. -12 [ 30.060139][ T543] incfs: mount failed -12 [pid 544] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 544] close(3) = -1 EBADF (Bad file descriptor) [pid 544] close(4) = -1 EBADF (Bad file descriptor) [pid 544] close(5) = -1 EBADF (Bad file descriptor) [pid 544] close(6) = -1 EBADF (Bad file descriptor) [pid 544] close(7) = -1 EBADF (Bad file descriptor) [pid 544] close(8) = -1 EBADF (Bad file descriptor) [pid 544] close(9) = -1 EBADF (Bad file descriptor) [pid 544] close(10) = -1 EBADF (Bad file descriptor) [pid 544] close(11) = -1 EBADF (Bad file descriptor) [pid 544] close(12) = -1 EBADF (Bad file descriptor) [pid 544] close(13) = -1 EBADF (Bad file descriptor) [pid 544] close(14) = -1 EBADF (Bad file descriptor) [pid 544] close(15) = -1 EBADF (Bad file descriptor) [pid 544] close(16) = -1 EBADF (Bad file descriptor) [pid 544] close(17) = -1 EBADF (Bad file descriptor) [pid 544] close(18) = -1 EBADF (Bad file descriptor) [pid 544] close(19) = -1 EBADF (Bad file descriptor) [pid 544] close(20) = -1 EBADF (Bad file descriptor) [pid 544] close(21) = -1 EBADF (Bad file descriptor) [pid 544] close(22) = -1 EBADF (Bad file descriptor) [pid 544] close(23) = -1 EBADF (Bad file descriptor) [pid 544] close(24) = -1 EBADF (Bad file descriptor) [pid 544] close(25) = -1 EBADF (Bad file descriptor) [pid 544] close(26) = -1 EBADF (Bad file descriptor) [pid 544] close(27) = -1 EBADF (Bad file descriptor) [pid 544] close(28) = -1 EBADF (Bad file descriptor) [pid 544] close(29) = -1 EBADF (Bad file descriptor) [pid 544] exit_group(0) = ? [pid 544] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./246/binderfs") = 0 [pid 297] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./246/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./246/cgroup.net") = 0 [pid 297] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./246/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./246/cgroup.cpu") = 0 [pid 297] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./246/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./246/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./246") = 0 [pid 297] mkdir("./247", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 249 ./strace-static-x86_64: Process 545 attached [pid 545] set_robust_list(0x555565b1f660, 24) = 0 [pid 545] chdir("./247") = 0 [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0) = 0 [pid 545] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 545] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 545] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 545] close(3) = 0 [pid 545] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 545] write(1, "executing program\n", 18) = 18 [pid 545] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 545] close(3) = -1 EBADF (Bad file descriptor) [pid 545] close(4) = -1 EBADF (Bad file descriptor) [pid 545] close(5) = -1 EBADF (Bad file descriptor) [pid 545] close(6) = -1 EBADF (Bad file descriptor) [pid 545] close(7) = -1 EBADF (Bad file descriptor) [pid 545] close(8) = -1 EBADF (Bad file descriptor) [pid 545] close(9) = -1 EBADF (Bad file descriptor) [pid 545] close(10) = -1 EBADF (Bad file descriptor) [pid 545] close(11) = -1 EBADF (Bad file descriptor) [pid 545] close(12) = -1 EBADF (Bad file descriptor) [pid 545] close(13) = -1 EBADF (Bad file descriptor) [pid 545] close(14) = -1 EBADF (Bad file descriptor) [pid 545] close(15) = -1 EBADF (Bad file descriptor) [pid 545] close(16) = -1 EBADF (Bad file descriptor) [pid 545] close(17) = -1 EBADF (Bad file descriptor) [pid 545] close(18) = -1 EBADF (Bad file descriptor) [pid 545] close(19) = -1 EBADF (Bad file descriptor) [pid 545] close(20) = -1 EBADF (Bad file descriptor) [pid 545] close(21) = -1 EBADF (Bad file descriptor) [pid 545] close(22) = -1 EBADF (Bad file descriptor) [pid 545] close(23) = -1 EBADF (Bad file descriptor) [pid 545] close(24) = -1 EBADF (Bad file descriptor) [pid 545] close(25) = -1 EBADF (Bad file descriptor) [pid 545] close(26) = -1 EBADF (Bad file descriptor) [pid 545] close(27) = -1 EBADF (Bad file descriptor) [pid 545] close(28) = -1 EBADF (Bad file descriptor) [pid 545] close(29) = -1 EBADF (Bad file descriptor) [pid 545] exit_group(0) = ? [pid 545] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./247/binderfs") = 0 [pid 297] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./247/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./247/cgroup.net") = 0 [pid 297] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./247/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./247/cgroup.cpu") = 0 [pid 297] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./247/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./247/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./247") = 0 [pid 297] mkdir("./248", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 546 attached , child_tidptr=0x555565b1f650) = 250 [pid 546] set_robust_list(0x555565b1f660, 24) = 0 [pid 546] chdir("./248") = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 546] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 546] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 546] write(1, "executing program\n", 18) = 18 [ 30.079343][ T544] incfs: Error allocating mount info. -12 [ 30.085101][ T544] incfs: mount failed -12 [ 30.104937][ T545] incfs: Error allocating mount info. -12 [ 30.110740][ T545] incfs: mount failed -12 [pid 546] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 546] close(3) = -1 EBADF (Bad file descriptor) [pid 546] close(4) = -1 EBADF (Bad file descriptor) [pid 546] close(5) = -1 EBADF (Bad file descriptor) [pid 546] close(6) = -1 EBADF (Bad file descriptor) [pid 546] close(7) = -1 EBADF (Bad file descriptor) [pid 546] close(8) = -1 EBADF (Bad file descriptor) [pid 546] close(9) = -1 EBADF (Bad file descriptor) [pid 546] close(10) = -1 EBADF (Bad file descriptor) [pid 546] close(11) = -1 EBADF (Bad file descriptor) [pid 546] close(12) = -1 EBADF (Bad file descriptor) [pid 546] close(13) = -1 EBADF (Bad file descriptor) [pid 546] close(14) = -1 EBADF (Bad file descriptor) [pid 546] close(15) = -1 EBADF (Bad file descriptor) [pid 546] close(16) = -1 EBADF (Bad file descriptor) [pid 546] close(17) = -1 EBADF (Bad file descriptor) [pid 546] close(18) = -1 EBADF (Bad file descriptor) [pid 546] close(19) = -1 EBADF (Bad file descriptor) [pid 546] close(20) = -1 EBADF (Bad file descriptor) [pid 546] close(21) = -1 EBADF (Bad file descriptor) [pid 546] close(22) = -1 EBADF (Bad file descriptor) [pid 546] close(23) = -1 EBADF (Bad file descriptor) [pid 546] close(24) = -1 EBADF (Bad file descriptor) [pid 546] close(25) = -1 EBADF (Bad file descriptor) [pid 546] close(26) = -1 EBADF (Bad file descriptor) [pid 546] close(27) = -1 EBADF (Bad file descriptor) [pid 546] close(28) = -1 EBADF (Bad file descriptor) [pid 546] close(29) = -1 EBADF (Bad file descriptor) [pid 546] exit_group(0) = ? [pid 546] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./248/binderfs") = 0 [pid 297] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./248/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./248/cgroup.net") = 0 [pid 297] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./248/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./248/cgroup.cpu") = 0 [pid 297] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./248/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./248/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./248") = 0 [pid 297] mkdir("./249", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 251 ./strace-static-x86_64: Process 547 attached [pid 547] set_robust_list(0x555565b1f660, 24) = 0 [pid 547] chdir("./249") = 0 [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 547] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 547] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4) = 4 [pid 547] close(3) = 0 [pid 547] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 547] write(1, "executing program\n", 18) = 18 [pid 547] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 547] close(3) = -1 EBADF (Bad file descriptor) [pid 547] close(4) = -1 EBADF (Bad file descriptor) [pid 547] close(5) = -1 EBADF (Bad file descriptor) [pid 547] close(6) = -1 EBADF (Bad file descriptor) [pid 547] close(7) = -1 EBADF (Bad file descriptor) [pid 547] close(8) = -1 EBADF (Bad file descriptor) [pid 547] close(9) = -1 EBADF (Bad file descriptor) [pid 547] close(10) = -1 EBADF (Bad file descriptor) [pid 547] close(11) = -1 EBADF (Bad file descriptor) [pid 547] close(12) = -1 EBADF (Bad file descriptor) [pid 547] close(13) = -1 EBADF (Bad file descriptor) [pid 547] close(14) = -1 EBADF (Bad file descriptor) [pid 547] close(15) = -1 EBADF (Bad file descriptor) [pid 547] close(16) = -1 EBADF (Bad file descriptor) [pid 547] close(17) = -1 EBADF (Bad file descriptor) [pid 547] close(18) = -1 EBADF (Bad file descriptor) [pid 547] close(19) = -1 EBADF (Bad file descriptor) [pid 547] close(20) = -1 EBADF (Bad file descriptor) [pid 547] close(21) = -1 EBADF (Bad file descriptor) [pid 547] close(22) = -1 EBADF (Bad file descriptor) [pid 547] close(23) = -1 EBADF (Bad file descriptor) [pid 547] close(24) = -1 EBADF (Bad file descriptor) [pid 547] close(25) = -1 EBADF (Bad file descriptor) [pid 547] close(26) = -1 EBADF (Bad file descriptor) [pid 547] close(27) = -1 EBADF (Bad file descriptor) [pid 547] close(28) = -1 EBADF (Bad file descriptor) [pid 547] close(29) = -1 EBADF (Bad file descriptor) [pid 547] exit_group(0) = ? [pid 547] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./249/binderfs") = 0 [pid 297] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./249/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./249/cgroup.net") = 0 [pid 297] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./249/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./249/cgroup.cpu") = 0 [pid 297] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./249/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./249/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./249") = 0 [pid 297] mkdir("./250", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 548 attached , child_tidptr=0x555565b1f650) = 252 [pid 548] set_robust_list(0x555565b1f660, 24) = 0 [pid 548] chdir("./250") = 0 [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 548] setpgid(0, 0) = 0 [pid 548] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 548] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 548] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 [pid 548] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 548] write(1, "executing program\n", 18) = 18 [ 30.132453][ T546] incfs: Error allocating mount info. -12 [ 30.138236][ T546] incfs: mount failed -12 [ 30.162206][ T547] incfs: Error allocating mount info. -12 [ 30.167983][ T547] incfs: mount failed -12 [pid 548] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 548] close(3) = -1 EBADF (Bad file descriptor) [pid 548] close(4) = -1 EBADF (Bad file descriptor) [pid 548] close(5) = -1 EBADF (Bad file descriptor) [pid 548] close(6) = -1 EBADF (Bad file descriptor) [pid 548] close(7) = -1 EBADF (Bad file descriptor) [pid 548] close(8) = -1 EBADF (Bad file descriptor) [pid 548] close(9) = -1 EBADF (Bad file descriptor) [pid 548] close(10) = -1 EBADF (Bad file descriptor) [pid 548] close(11) = -1 EBADF (Bad file descriptor) [pid 548] close(12) = -1 EBADF (Bad file descriptor) [pid 548] close(13) = -1 EBADF (Bad file descriptor) [pid 548] close(14) = -1 EBADF (Bad file descriptor) [pid 548] close(15) = -1 EBADF (Bad file descriptor) [pid 548] close(16) = -1 EBADF (Bad file descriptor) [pid 548] close(17) = -1 EBADF (Bad file descriptor) [pid 548] close(18) = -1 EBADF (Bad file descriptor) [pid 548] close(19) = -1 EBADF (Bad file descriptor) [pid 548] close(20) = -1 EBADF (Bad file descriptor) [pid 548] close(21) = -1 EBADF (Bad file descriptor) [pid 548] close(22) = -1 EBADF (Bad file descriptor) [pid 548] close(23) = -1 EBADF (Bad file descriptor) [pid 548] close(24) = -1 EBADF (Bad file descriptor) [pid 548] close(25) = -1 EBADF (Bad file descriptor) [pid 548] close(26) = -1 EBADF (Bad file descriptor) [pid 548] close(27) = -1 EBADF (Bad file descriptor) [pid 548] close(28) = -1 EBADF (Bad file descriptor) [pid 548] close(29) = -1 EBADF (Bad file descriptor) [pid 548] exit_group(0) = ? [pid 548] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./250/binderfs") = 0 [pid 297] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./250/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./250/cgroup.net") = 0 [pid 297] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./250/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./250/cgroup.cpu") = 0 [pid 297] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./250/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./250/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./250") = 0 [pid 297] mkdir("./251", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 253 ./strace-static-x86_64: Process 549 attached [pid 549] set_robust_list(0x555565b1f660, 24) = 0 [pid 549] chdir("./251") = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 549] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 549] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 549] write(1, "executing program\n", 18executing program ) = 18 [pid 549] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 549] close(3) = -1 EBADF (Bad file descriptor) [pid 549] close(4) = -1 EBADF (Bad file descriptor) [pid 549] close(5) = -1 EBADF (Bad file descriptor) [pid 549] close(6) = -1 EBADF (Bad file descriptor) [pid 549] close(7) = -1 EBADF (Bad file descriptor) [pid 549] close(8) = -1 EBADF (Bad file descriptor) [pid 549] close(9) = -1 EBADF (Bad file descriptor) [pid 549] close(10) = -1 EBADF (Bad file descriptor) [pid 549] close(11) = -1 EBADF (Bad file descriptor) [pid 549] close(12) = -1 EBADF (Bad file descriptor) [pid 549] close(13) = -1 EBADF (Bad file descriptor) [pid 549] close(14) = -1 EBADF (Bad file descriptor) [pid 549] close(15) = -1 EBADF (Bad file descriptor) [pid 549] close(16) = -1 EBADF (Bad file descriptor) [pid 549] close(17) = -1 EBADF (Bad file descriptor) [pid 549] close(18) = -1 EBADF (Bad file descriptor) [pid 549] close(19) = -1 EBADF (Bad file descriptor) [pid 549] close(20) = -1 EBADF (Bad file descriptor) [pid 549] close(21) = -1 EBADF (Bad file descriptor) [pid 549] close(22) = -1 EBADF (Bad file descriptor) [pid 549] close(23) = -1 EBADF (Bad file descriptor) [pid 549] close(24) = -1 EBADF (Bad file descriptor) [pid 549] close(25) = -1 EBADF (Bad file descriptor) [pid 549] close(26) = -1 EBADF (Bad file descriptor) [pid 549] close(27) = -1 EBADF (Bad file descriptor) [pid 549] close(28) = -1 EBADF (Bad file descriptor) [pid 549] close(29) = -1 EBADF (Bad file descriptor) [pid 549] exit_group(0) = ? [pid 549] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./251/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./251/binderfs") = 0 [pid 297] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./251/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./251/cgroup.net") = 0 [pid 297] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./251/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./251/cgroup.cpu") = 0 [pid 297] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./251/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./251/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./251") = 0 [pid 297] mkdir("./252", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 254 ./strace-static-x86_64: Process 550 attached [pid 550] set_robust_list(0x555565b1f660, 24) = 0 [pid 550] chdir("./252") = 0 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 550] setpgid(0, 0) = 0 [pid 550] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 550] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 550] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 550] write(3, "1000", 4) = 4 [pid 550] close(3) = 0 [pid 550] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 550] write(1, "executing program\n", 18) = 18 [ 30.189613][ T548] incfs: Error allocating mount info. -12 [ 30.195371][ T548] incfs: mount failed -12 [ 30.213626][ T549] incfs: Error allocating mount info. -12 [ 30.219407][ T549] incfs: mount failed -12 [pid 550] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 550] close(3) = -1 EBADF (Bad file descriptor) [pid 550] close(4) = -1 EBADF (Bad file descriptor) [pid 550] close(5) = -1 EBADF (Bad file descriptor) [pid 550] close(6) = -1 EBADF (Bad file descriptor) [pid 550] close(7) = -1 EBADF (Bad file descriptor) [pid 550] close(8) = -1 EBADF (Bad file descriptor) [pid 550] close(9) = -1 EBADF (Bad file descriptor) [pid 550] close(10) = -1 EBADF (Bad file descriptor) [pid 550] close(11) = -1 EBADF (Bad file descriptor) [pid 550] close(12) = -1 EBADF (Bad file descriptor) [pid 550] close(13) = -1 EBADF (Bad file descriptor) [pid 550] close(14) = -1 EBADF (Bad file descriptor) [pid 550] close(15) = -1 EBADF (Bad file descriptor) [pid 550] close(16) = -1 EBADF (Bad file descriptor) [pid 550] close(17) = -1 EBADF (Bad file descriptor) [pid 550] close(18) = -1 EBADF (Bad file descriptor) [pid 550] close(19) = -1 EBADF (Bad file descriptor) [pid 550] close(20) = -1 EBADF (Bad file descriptor) [pid 550] close(21) = -1 EBADF (Bad file descriptor) [pid 550] close(22) = -1 EBADF (Bad file descriptor) [pid 550] close(23) = -1 EBADF (Bad file descriptor) [pid 550] close(24) = -1 EBADF (Bad file descriptor) [pid 550] close(25) = -1 EBADF (Bad file descriptor) [pid 550] close(26) = -1 EBADF (Bad file descriptor) [pid 550] close(27) = -1 EBADF (Bad file descriptor) [pid 550] close(28) = -1 EBADF (Bad file descriptor) [pid 550] close(29) = -1 EBADF (Bad file descriptor) [pid 550] exit_group(0) = ? [pid 550] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./252/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./252/binderfs") = 0 [pid 297] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./252/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./252/cgroup.net") = 0 [pid 297] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./252/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./252/cgroup.cpu") = 0 [pid 297] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./252/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./252/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./252") = 0 [pid 297] mkdir("./253", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 551 attached , child_tidptr=0x555565b1f650) = 255 [pid 551] set_robust_list(0x555565b1f660, 24) = 0 [pid 551] chdir("./253") = 0 [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] setpgid(0, 0) = 0 [pid 551] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 551] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 551] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] write(3, "1000", 4) = 4 [pid 551] close(3) = 0 [pid 551] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 551] write(1, "executing program\n", 18) = 18 [pid 551] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 551] close(3) = -1 EBADF (Bad file descriptor) [pid 551] close(4) = -1 EBADF (Bad file descriptor) [pid 551] close(5) = -1 EBADF (Bad file descriptor) [pid 551] close(6) = -1 EBADF (Bad file descriptor) [pid 551] close(7) = -1 EBADF (Bad file descriptor) [pid 551] close(8) = -1 EBADF (Bad file descriptor) [pid 551] close(9) = -1 EBADF (Bad file descriptor) [pid 551] close(10) = -1 EBADF (Bad file descriptor) [pid 551] close(11) = -1 EBADF (Bad file descriptor) [pid 551] close(12) = -1 EBADF (Bad file descriptor) [pid 551] close(13) = -1 EBADF (Bad file descriptor) [pid 551] close(14) = -1 EBADF (Bad file descriptor) [pid 551] close(15) = -1 EBADF (Bad file descriptor) [pid 551] close(16) = -1 EBADF (Bad file descriptor) [pid 551] close(17) = -1 EBADF (Bad file descriptor) [pid 551] close(18) = -1 EBADF (Bad file descriptor) [pid 551] close(19) = -1 EBADF (Bad file descriptor) [pid 551] close(20) = -1 EBADF (Bad file descriptor) [pid 551] close(21) = -1 EBADF (Bad file descriptor) [pid 551] close(22) = -1 EBADF (Bad file descriptor) [pid 551] close(23) = -1 EBADF (Bad file descriptor) [pid 551] close(24) = -1 EBADF (Bad file descriptor) [pid 551] close(25) = -1 EBADF (Bad file descriptor) [pid 551] close(26) = -1 EBADF (Bad file descriptor) [pid 551] close(27) = -1 EBADF (Bad file descriptor) [pid 551] close(28) = -1 EBADF (Bad file descriptor) [pid 551] close(29) = -1 EBADF (Bad file descriptor) [pid 551] exit_group(0) = ? [pid 551] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./253/binderfs") = 0 [pid 297] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./253/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./253/cgroup.net") = 0 [pid 297] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./253/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./253/cgroup.cpu") = 0 [pid 297] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./253/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./253/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./253") = 0 [pid 297] mkdir("./254", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 256 ./strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x555565b1f660, 24) = 0 [pid 552] chdir("./254") = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 552] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 552] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 552] write(1, "executing program\n", 18) = 18 [ 30.240204][ T550] incfs: Error allocating mount info. -12 [ 30.245939][ T550] incfs: mount failed -12 [ 30.267938][ T551] incfs: Error allocating mount info. -12 [ 30.273761][ T551] incfs: mount failed -12 [pid 552] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 552] close(3) = -1 EBADF (Bad file descriptor) [pid 552] close(4) = -1 EBADF (Bad file descriptor) [pid 552] close(5) = -1 EBADF (Bad file descriptor) [pid 552] close(6) = -1 EBADF (Bad file descriptor) [pid 552] close(7) = -1 EBADF (Bad file descriptor) [pid 552] close(8) = -1 EBADF (Bad file descriptor) [pid 552] close(9) = -1 EBADF (Bad file descriptor) [pid 552] close(10) = -1 EBADF (Bad file descriptor) [pid 552] close(11) = -1 EBADF (Bad file descriptor) [pid 552] close(12) = -1 EBADF (Bad file descriptor) [pid 552] close(13) = -1 EBADF (Bad file descriptor) [pid 552] close(14) = -1 EBADF (Bad file descriptor) [pid 552] close(15) = -1 EBADF (Bad file descriptor) [pid 552] close(16) = -1 EBADF (Bad file descriptor) [pid 552] close(17) = -1 EBADF (Bad file descriptor) [pid 552] close(18) = -1 EBADF (Bad file descriptor) [pid 552] close(19) = -1 EBADF (Bad file descriptor) [pid 552] close(20) = -1 EBADF (Bad file descriptor) [pid 552] close(21) = -1 EBADF (Bad file descriptor) [pid 552] close(22) = -1 EBADF (Bad file descriptor) [pid 552] close(23) = -1 EBADF (Bad file descriptor) [pid 552] close(24) = -1 EBADF (Bad file descriptor) [pid 552] close(25) = -1 EBADF (Bad file descriptor) [pid 552] close(26) = -1 EBADF (Bad file descriptor) [pid 552] close(27) = -1 EBADF (Bad file descriptor) [pid 552] close(28) = -1 EBADF (Bad file descriptor) [pid 552] close(29) = -1 EBADF (Bad file descriptor) [pid 552] exit_group(0) = ? [pid 552] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./254/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./254/binderfs") = 0 [pid 297] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./254/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./254/cgroup.net") = 0 [pid 297] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./254/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./254/cgroup.cpu") = 0 [pid 297] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./254/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./254/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./254") = 0 [pid 297] mkdir("./255", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 257 ./strace-static-x86_64: Process 553 attached [pid 553] set_robust_list(0x555565b1f660, 24) = 0 [pid 553] chdir("./255") = 0 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 553] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 553] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 [pid 553] symlink("/dev/binderfs", "./binderfs") = 0 [pid 553] write(1, "executing program\n", 18executing program ) = 18 [pid 553] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 553] close(3) = -1 EBADF (Bad file descriptor) [pid 553] close(4) = -1 EBADF (Bad file descriptor) [pid 553] close(5) = -1 EBADF (Bad file descriptor) [pid 553] close(6) = -1 EBADF (Bad file descriptor) [pid 553] close(7) = -1 EBADF (Bad file descriptor) [pid 553] close(8) = -1 EBADF (Bad file descriptor) [pid 553] close(9) = -1 EBADF (Bad file descriptor) [pid 553] close(10) = -1 EBADF (Bad file descriptor) [pid 553] close(11) = -1 EBADF (Bad file descriptor) [pid 553] close(12) = -1 EBADF (Bad file descriptor) [pid 553] close(13) = -1 EBADF (Bad file descriptor) [pid 553] close(14) = -1 EBADF (Bad file descriptor) [pid 553] close(15) = -1 EBADF (Bad file descriptor) [pid 553] close(16) = -1 EBADF (Bad file descriptor) [pid 553] close(17) = -1 EBADF (Bad file descriptor) [pid 553] close(18) = -1 EBADF (Bad file descriptor) [pid 553] close(19) = -1 EBADF (Bad file descriptor) [pid 553] close(20) = -1 EBADF (Bad file descriptor) [pid 553] close(21) = -1 EBADF (Bad file descriptor) [pid 553] close(22) = -1 EBADF (Bad file descriptor) [pid 553] close(23) = -1 EBADF (Bad file descriptor) [pid 553] close(24) = -1 EBADF (Bad file descriptor) [pid 553] close(25) = -1 EBADF (Bad file descriptor) [pid 553] close(26) = -1 EBADF (Bad file descriptor) [pid 553] close(27) = -1 EBADF (Bad file descriptor) [pid 553] close(28) = -1 EBADF (Bad file descriptor) [pid 553] close(29) = -1 EBADF (Bad file descriptor) [pid 553] exit_group(0) = ? [pid 553] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./255/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./255/binderfs") = 0 [pid 297] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./255/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./255/cgroup.net") = 0 [pid 297] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./255/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./255/cgroup.cpu") = 0 [pid 297] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./255/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./255/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./255") = 0 [pid 297] mkdir("./256", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 258 ./strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x555565b1f660, 24) = 0 [pid 554] chdir("./256") = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 554] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 554] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 554] write(1, "executing program\n", 18) = 18 [ 30.295305][ T552] incfs: Error allocating mount info. -12 [ 30.301096][ T552] incfs: mount failed -12 [ 30.323386][ T553] incfs: Error allocating mount info. -12 [ 30.329167][ T553] incfs: mount failed -12 [pid 554] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 554] close(3) = -1 EBADF (Bad file descriptor) [pid 554] close(4) = -1 EBADF (Bad file descriptor) [pid 554] close(5) = -1 EBADF (Bad file descriptor) [pid 554] close(6) = -1 EBADF (Bad file descriptor) [pid 554] close(7) = -1 EBADF (Bad file descriptor) [pid 554] close(8) = -1 EBADF (Bad file descriptor) [pid 554] close(9) = -1 EBADF (Bad file descriptor) [pid 554] close(10) = -1 EBADF (Bad file descriptor) [pid 554] close(11) = -1 EBADF (Bad file descriptor) [pid 554] close(12) = -1 EBADF (Bad file descriptor) [pid 554] close(13) = -1 EBADF (Bad file descriptor) [pid 554] close(14) = -1 EBADF (Bad file descriptor) [pid 554] close(15) = -1 EBADF (Bad file descriptor) [pid 554] close(16) = -1 EBADF (Bad file descriptor) [pid 554] close(17) = -1 EBADF (Bad file descriptor) [pid 554] close(18) = -1 EBADF (Bad file descriptor) [pid 554] close(19) = -1 EBADF (Bad file descriptor) [pid 554] close(20) = -1 EBADF (Bad file descriptor) [pid 554] close(21) = -1 EBADF (Bad file descriptor) [pid 554] close(22) = -1 EBADF (Bad file descriptor) [pid 554] close(23) = -1 EBADF (Bad file descriptor) [pid 554] close(24) = -1 EBADF (Bad file descriptor) [pid 554] close(25) = -1 EBADF (Bad file descriptor) [pid 554] close(26) = -1 EBADF (Bad file descriptor) [pid 554] close(27) = -1 EBADF (Bad file descriptor) [pid 554] close(28) = -1 EBADF (Bad file descriptor) [pid 554] close(29) = -1 EBADF (Bad file descriptor) [pid 554] exit_group(0) = ? [pid 554] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./256/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./256/binderfs") = 0 [pid 297] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./256/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./256/cgroup.net") = 0 [pid 297] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./256/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./256/cgroup.cpu") = 0 [pid 297] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./256/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./256/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./256") = 0 [pid 297] mkdir("./257", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 259 ./strace-static-x86_64: Process 555 attached [pid 555] set_robust_list(0x555565b1f660, 24) = 0 [pid 555] chdir("./257") = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 555] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 555] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 555] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 555] write(1, "executing program\n", 18) = 18 [pid 555] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 555] close(3) = -1 EBADF (Bad file descriptor) [pid 555] close(4) = -1 EBADF (Bad file descriptor) [pid 555] close(5) = -1 EBADF (Bad file descriptor) [pid 555] close(6) = -1 EBADF (Bad file descriptor) [pid 555] close(7) = -1 EBADF (Bad file descriptor) [pid 555] close(8) = -1 EBADF (Bad file descriptor) [pid 555] close(9) = -1 EBADF (Bad file descriptor) [pid 555] close(10) = -1 EBADF (Bad file descriptor) [pid 555] close(11) = -1 EBADF (Bad file descriptor) [pid 555] close(12) = -1 EBADF (Bad file descriptor) [pid 555] close(13) = -1 EBADF (Bad file descriptor) [pid 555] close(14) = -1 EBADF (Bad file descriptor) [pid 555] close(15) = -1 EBADF (Bad file descriptor) [pid 555] close(16) = -1 EBADF (Bad file descriptor) [pid 555] close(17) = -1 EBADF (Bad file descriptor) [pid 555] close(18) = -1 EBADF (Bad file descriptor) [pid 555] close(19) = -1 EBADF (Bad file descriptor) [pid 555] close(20) = -1 EBADF (Bad file descriptor) [pid 555] close(21) = -1 EBADF (Bad file descriptor) [pid 555] close(22) = -1 EBADF (Bad file descriptor) [pid 555] close(23) = -1 EBADF (Bad file descriptor) [pid 555] close(24) = -1 EBADF (Bad file descriptor) [pid 555] close(25) = -1 EBADF (Bad file descriptor) [pid 555] close(26) = -1 EBADF (Bad file descriptor) [pid 555] close(27) = -1 EBADF (Bad file descriptor) [pid 555] close(28) = -1 EBADF (Bad file descriptor) [pid 555] close(29) = -1 EBADF (Bad file descriptor) [pid 555] exit_group(0) = ? [pid 555] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./257/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./257/binderfs") = 0 [pid 297] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./257/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./257/cgroup.net") = 0 [pid 297] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./257/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./257/cgroup.cpu") = 0 [pid 297] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./257/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./257/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./257") = 0 [pid 297] mkdir("./258", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 556 attached , child_tidptr=0x555565b1f650) = 260 [pid 556] set_robust_list(0x555565b1f660, 24) = 0 [pid 556] chdir("./258") = 0 [pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 556] setpgid(0, 0) = 0 [pid 556] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 556] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 556] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 556] write(3, "1000", 4) = 4 [pid 556] close(3) = 0 [pid 556] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 556] write(1, "executing program\n", 18) = 18 [ 30.351437][ T554] incfs: Error allocating mount info. -12 [ 30.357179][ T554] incfs: mount failed -12 [ 30.378149][ T555] incfs: Error allocating mount info. -12 [ 30.383926][ T555] incfs: mount failed -12 [pid 556] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 556] close(3) = -1 EBADF (Bad file descriptor) [pid 556] close(4) = -1 EBADF (Bad file descriptor) [pid 556] close(5) = -1 EBADF (Bad file descriptor) [pid 556] close(6) = -1 EBADF (Bad file descriptor) [pid 556] close(7) = -1 EBADF (Bad file descriptor) [pid 556] close(8) = -1 EBADF (Bad file descriptor) [pid 556] close(9) = -1 EBADF (Bad file descriptor) [pid 556] close(10) = -1 EBADF (Bad file descriptor) [pid 556] close(11) = -1 EBADF (Bad file descriptor) [pid 556] close(12) = -1 EBADF (Bad file descriptor) [pid 556] close(13) = -1 EBADF (Bad file descriptor) [pid 556] close(14) = -1 EBADF (Bad file descriptor) [pid 556] close(15) = -1 EBADF (Bad file descriptor) [pid 556] close(16) = -1 EBADF (Bad file descriptor) [pid 556] close(17) = -1 EBADF (Bad file descriptor) [pid 556] close(18) = -1 EBADF (Bad file descriptor) [pid 556] close(19) = -1 EBADF (Bad file descriptor) [pid 556] close(20) = -1 EBADF (Bad file descriptor) [pid 556] close(21) = -1 EBADF (Bad file descriptor) [pid 556] close(22) = -1 EBADF (Bad file descriptor) [pid 556] close(23) = -1 EBADF (Bad file descriptor) [pid 556] close(24) = -1 EBADF (Bad file descriptor) [pid 556] close(25) = -1 EBADF (Bad file descriptor) [pid 556] close(26) = -1 EBADF (Bad file descriptor) [pid 556] close(27) = -1 EBADF (Bad file descriptor) [pid 556] close(28) = -1 EBADF (Bad file descriptor) [pid 556] close(29) = -1 EBADF (Bad file descriptor) [pid 556] exit_group(0) = ? [pid 556] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./258/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./258/binderfs") = 0 [pid 297] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./258/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./258/cgroup.net") = 0 [pid 297] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./258/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./258/cgroup.cpu") = 0 [pid 297] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./258/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./258/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./258") = 0 [pid 297] mkdir("./259", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 261 ./strace-static-x86_64: Process 557 attached [pid 557] set_robust_list(0x555565b1f660, 24) = 0 [pid 557] chdir("./259") = 0 [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 557] setpgid(0, 0) = 0 [pid 557] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 557] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 557] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] write(3, "1000", 4) = 4 [pid 557] close(3) = 0 [pid 557] symlink("/dev/binderfs", "./binderfs") = 0 [pid 557] write(1, "executing program\n", 18executing program ) = 18 [pid 557] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 557] close(3) = -1 EBADF (Bad file descriptor) [pid 557] close(4) = -1 EBADF (Bad file descriptor) [pid 557] close(5) = -1 EBADF (Bad file descriptor) [pid 557] close(6) = -1 EBADF (Bad file descriptor) [pid 557] close(7) = -1 EBADF (Bad file descriptor) [pid 557] close(8) = -1 EBADF (Bad file descriptor) [pid 557] close(9) = -1 EBADF (Bad file descriptor) [pid 557] close(10) = -1 EBADF (Bad file descriptor) [pid 557] close(11) = -1 EBADF (Bad file descriptor) [pid 557] close(12) = -1 EBADF (Bad file descriptor) [pid 557] close(13) = -1 EBADF (Bad file descriptor) [pid 557] close(14) = -1 EBADF (Bad file descriptor) [pid 557] close(15) = -1 EBADF (Bad file descriptor) [pid 557] close(16) = -1 EBADF (Bad file descriptor) [pid 557] close(17) = -1 EBADF (Bad file descriptor) [pid 557] close(18) = -1 EBADF (Bad file descriptor) [pid 557] close(19) = -1 EBADF (Bad file descriptor) [pid 557] close(20) = -1 EBADF (Bad file descriptor) [pid 557] close(21) = -1 EBADF (Bad file descriptor) [pid 557] close(22) = -1 EBADF (Bad file descriptor) [pid 557] close(23) = -1 EBADF (Bad file descriptor) [pid 557] close(24) = -1 EBADF (Bad file descriptor) [pid 557] close(25) = -1 EBADF (Bad file descriptor) [pid 557] close(26) = -1 EBADF (Bad file descriptor) [pid 557] close(27) = -1 EBADF (Bad file descriptor) [pid 557] close(28) = -1 EBADF (Bad file descriptor) [pid 557] close(29) = -1 EBADF (Bad file descriptor) [pid 557] exit_group(0) = ? [pid 557] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./259/binderfs") = 0 [pid 297] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./259/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./259/cgroup.net") = 0 [pid 297] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./259/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./259/cgroup.cpu") = 0 [pid 297] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./259/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./259/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./259") = 0 [pid 297] mkdir("./260", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 558 attached , child_tidptr=0x555565b1f650) = 262 [pid 558] set_robust_list(0x555565b1f660, 24) = 0 [pid 558] chdir("./260") = 0 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 558] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 558] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 [pid 558] symlink("/dev/binderfs", "./binderfs") = 0 [pid 558] write(1, "executing program\n", 18executing program ) = 18 [ 30.404095][ T556] incfs: Error allocating mount info. -12 [ 30.409872][ T556] incfs: mount failed -12 [ 30.432072][ T557] incfs: Error allocating mount info. -12 [ 30.437810][ T557] incfs: mount failed -12 [pid 558] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 558] close(3) = -1 EBADF (Bad file descriptor) [pid 558] close(4) = -1 EBADF (Bad file descriptor) [pid 558] close(5) = -1 EBADF (Bad file descriptor) [pid 558] close(6) = -1 EBADF (Bad file descriptor) [pid 558] close(7) = -1 EBADF (Bad file descriptor) [pid 558] close(8) = -1 EBADF (Bad file descriptor) [pid 558] close(9) = -1 EBADF (Bad file descriptor) [pid 558] close(10) = -1 EBADF (Bad file descriptor) [pid 558] close(11) = -1 EBADF (Bad file descriptor) [pid 558] close(12) = -1 EBADF (Bad file descriptor) [pid 558] close(13) = -1 EBADF (Bad file descriptor) [pid 558] close(14) = -1 EBADF (Bad file descriptor) [pid 558] close(15) = -1 EBADF (Bad file descriptor) [pid 558] close(16) = -1 EBADF (Bad file descriptor) [pid 558] close(17) = -1 EBADF (Bad file descriptor) [pid 558] close(18) = -1 EBADF (Bad file descriptor) [pid 558] close(19) = -1 EBADF (Bad file descriptor) [pid 558] close(20) = -1 EBADF (Bad file descriptor) [pid 558] close(21) = -1 EBADF (Bad file descriptor) [pid 558] close(22) = -1 EBADF (Bad file descriptor) [pid 558] close(23) = -1 EBADF (Bad file descriptor) [pid 558] close(24) = -1 EBADF (Bad file descriptor) [pid 558] close(25) = -1 EBADF (Bad file descriptor) [pid 558] close(26) = -1 EBADF (Bad file descriptor) [pid 558] close(27) = -1 EBADF (Bad file descriptor) [pid 558] close(28) = -1 EBADF (Bad file descriptor) [pid 558] close(29) = -1 EBADF (Bad file descriptor) [pid 558] exit_group(0) = ? [pid 558] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./260/binderfs") = 0 [pid 297] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./260/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./260/cgroup.net") = 0 [pid 297] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./260/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./260/cgroup.cpu") = 0 [pid 297] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./260/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./260/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./260") = 0 [pid 297] mkdir("./261", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 263 ./strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x555565b1f660, 24) = 0 [pid 559] chdir("./261") = 0 [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 559] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 559] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 559] write(3, "1000", 4) = 4 [pid 559] close(3) = 0 [pid 559] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 559] write(1, "executing program\n", 18) = 18 [pid 559] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 559] close(3) = -1 EBADF (Bad file descriptor) [pid 559] close(4) = -1 EBADF (Bad file descriptor) [pid 559] close(5) = -1 EBADF (Bad file descriptor) [pid 559] close(6) = -1 EBADF (Bad file descriptor) [pid 559] close(7) = -1 EBADF (Bad file descriptor) [pid 559] close(8) = -1 EBADF (Bad file descriptor) [pid 559] close(9) = -1 EBADF (Bad file descriptor) [pid 559] close(10) = -1 EBADF (Bad file descriptor) [pid 559] close(11) = -1 EBADF (Bad file descriptor) [pid 559] close(12) = -1 EBADF (Bad file descriptor) [pid 559] close(13) = -1 EBADF (Bad file descriptor) [pid 559] close(14) = -1 EBADF (Bad file descriptor) [pid 559] close(15) = -1 EBADF (Bad file descriptor) [pid 559] close(16) = -1 EBADF (Bad file descriptor) [pid 559] close(17) = -1 EBADF (Bad file descriptor) [pid 559] close(18) = -1 EBADF (Bad file descriptor) [pid 559] close(19) = -1 EBADF (Bad file descriptor) [pid 559] close(20) = -1 EBADF (Bad file descriptor) [pid 559] close(21) = -1 EBADF (Bad file descriptor) [pid 559] close(22) = -1 EBADF (Bad file descriptor) [pid 559] close(23) = -1 EBADF (Bad file descriptor) [pid 559] close(24) = -1 EBADF (Bad file descriptor) [pid 559] close(25) = -1 EBADF (Bad file descriptor) [pid 559] close(26) = -1 EBADF (Bad file descriptor) [pid 559] close(27) = -1 EBADF (Bad file descriptor) [pid 559] close(28) = -1 EBADF (Bad file descriptor) [pid 559] close(29) = -1 EBADF (Bad file descriptor) [pid 559] exit_group(0) = ? [pid 559] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./261/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./261/binderfs") = 0 [pid 297] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./261/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./261/cgroup.net") = 0 [pid 297] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./261/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./261/cgroup.cpu") = 0 [pid 297] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./261/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./261/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./261") = 0 [pid 297] mkdir("./262", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 264 ./strace-static-x86_64: Process 560 attached [pid 560] set_robust_list(0x555565b1f660, 24) = 0 [pid 560] chdir("./262") = 0 [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 560] setpgid(0, 0) = 0 [pid 560] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 560] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 560] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 560] write(3, "1000", 4) = 4 [pid 560] close(3) = 0 [pid 560] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 560] write(1, "executing program\n", 18) = 18 [ 30.458231][ T558] incfs: Error allocating mount info. -12 [ 30.464060][ T558] incfs: mount failed -12 [ 30.486462][ T559] incfs: Error allocating mount info. -12 [ 30.492245][ T559] incfs: mount failed -12 [pid 560] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 560] close(3) = -1 EBADF (Bad file descriptor) [pid 560] close(4) = -1 EBADF (Bad file descriptor) [pid 560] close(5) = -1 EBADF (Bad file descriptor) [pid 560] close(6) = -1 EBADF (Bad file descriptor) [pid 560] close(7) = -1 EBADF (Bad file descriptor) [pid 560] close(8) = -1 EBADF (Bad file descriptor) [pid 560] close(9) = -1 EBADF (Bad file descriptor) [pid 560] close(10) = -1 EBADF (Bad file descriptor) [pid 560] close(11) = -1 EBADF (Bad file descriptor) [pid 560] close(12) = -1 EBADF (Bad file descriptor) [pid 560] close(13) = -1 EBADF (Bad file descriptor) [pid 560] close(14) = -1 EBADF (Bad file descriptor) [pid 560] close(15) = -1 EBADF (Bad file descriptor) [pid 560] close(16) = -1 EBADF (Bad file descriptor) [pid 560] close(17) = -1 EBADF (Bad file descriptor) [pid 560] close(18) = -1 EBADF (Bad file descriptor) [pid 560] close(19) = -1 EBADF (Bad file descriptor) [pid 560] close(20) = -1 EBADF (Bad file descriptor) [pid 560] close(21) = -1 EBADF (Bad file descriptor) [pid 560] close(22) = -1 EBADF (Bad file descriptor) [pid 560] close(23) = -1 EBADF (Bad file descriptor) [pid 560] close(24) = -1 EBADF (Bad file descriptor) [pid 560] close(25) = -1 EBADF (Bad file descriptor) [pid 560] close(26) = -1 EBADF (Bad file descriptor) [pid 560] close(27) = -1 EBADF (Bad file descriptor) [pid 560] close(28) = -1 EBADF (Bad file descriptor) [pid 560] close(29) = -1 EBADF (Bad file descriptor) [pid 560] exit_group(0) = ? [pid 560] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./262/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./262/binderfs") = 0 [pid 297] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./262/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./262/cgroup.net") = 0 [pid 297] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./262/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./262/cgroup.cpu") = 0 [pid 297] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./262/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./262/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./262") = 0 [pid 297] mkdir("./263", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 561 attached , child_tidptr=0x555565b1f650) = 265 [pid 561] set_robust_list(0x555565b1f660, 24) = 0 [pid 561] chdir("./263") = 0 [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 561] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 561] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 561] write(1, "executing program\n", 18executing program ) = 18 [pid 561] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 561] close(3) = -1 EBADF (Bad file descriptor) [pid 561] close(4) = -1 EBADF (Bad file descriptor) [pid 561] close(5) = -1 EBADF (Bad file descriptor) [pid 561] close(6) = -1 EBADF (Bad file descriptor) [pid 561] close(7) = -1 EBADF (Bad file descriptor) [pid 561] close(8) = -1 EBADF (Bad file descriptor) [pid 561] close(9) = -1 EBADF (Bad file descriptor) [pid 561] close(10) = -1 EBADF (Bad file descriptor) [pid 561] close(11) = -1 EBADF (Bad file descriptor) [pid 561] close(12) = -1 EBADF (Bad file descriptor) [pid 561] close(13) = -1 EBADF (Bad file descriptor) [pid 561] close(14) = -1 EBADF (Bad file descriptor) [pid 561] close(15) = -1 EBADF (Bad file descriptor) [pid 561] close(16) = -1 EBADF (Bad file descriptor) [pid 561] close(17) = -1 EBADF (Bad file descriptor) [pid 561] close(18) = -1 EBADF (Bad file descriptor) [pid 561] close(19) = -1 EBADF (Bad file descriptor) [pid 561] close(20) = -1 EBADF (Bad file descriptor) [pid 561] close(21) = -1 EBADF (Bad file descriptor) [pid 561] close(22) = -1 EBADF (Bad file descriptor) [pid 561] close(23) = -1 EBADF (Bad file descriptor) [pid 561] close(24) = -1 EBADF (Bad file descriptor) [pid 561] close(25) = -1 EBADF (Bad file descriptor) [pid 561] close(26) = -1 EBADF (Bad file descriptor) [pid 561] close(27) = -1 EBADF (Bad file descriptor) [pid 561] close(28) = -1 EBADF (Bad file descriptor) [pid 561] close(29) = -1 EBADF (Bad file descriptor) [pid 561] exit_group(0) = ? [pid 561] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./263/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./263/binderfs") = 0 [pid 297] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./263/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./263/cgroup.net") = 0 [pid 297] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./263/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./263/cgroup.cpu") = 0 [pid 297] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./263/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./263/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./263") = 0 [pid 297] mkdir("./264", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 562 attached , child_tidptr=0x555565b1f650) = 266 [pid 562] set_robust_list(0x555565b1f660, 24) = 0 [pid 562] chdir("./264") = 0 [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 562] setpgid(0, 0) = 0 [pid 562] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 562] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 562] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 562] write(3, "1000", 4) = 4 [pid 562] close(3) = 0 [pid 562] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 562] write(1, "executing program\n", 18) = 18 [ 30.513379][ T560] incfs: Error allocating mount info. -12 [ 30.519159][ T560] incfs: mount failed -12 [ 30.538362][ T561] incfs: Error allocating mount info. -12 [ 30.544165][ T561] incfs: mount failed -12 [pid 562] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 562] close(3) = -1 EBADF (Bad file descriptor) [pid 562] close(4) = -1 EBADF (Bad file descriptor) [pid 562] close(5) = -1 EBADF (Bad file descriptor) [pid 562] close(6) = -1 EBADF (Bad file descriptor) [pid 562] close(7) = -1 EBADF (Bad file descriptor) [pid 562] close(8) = -1 EBADF (Bad file descriptor) [pid 562] close(9) = -1 EBADF (Bad file descriptor) [pid 562] close(10) = -1 EBADF (Bad file descriptor) [pid 562] close(11) = -1 EBADF (Bad file descriptor) [pid 562] close(12) = -1 EBADF (Bad file descriptor) [pid 562] close(13) = -1 EBADF (Bad file descriptor) [pid 562] close(14) = -1 EBADF (Bad file descriptor) [pid 562] close(15) = -1 EBADF (Bad file descriptor) [pid 562] close(16) = -1 EBADF (Bad file descriptor) [pid 562] close(17) = -1 EBADF (Bad file descriptor) [pid 562] close(18) = -1 EBADF (Bad file descriptor) [pid 562] close(19) = -1 EBADF (Bad file descriptor) [pid 562] close(20) = -1 EBADF (Bad file descriptor) [pid 562] close(21) = -1 EBADF (Bad file descriptor) [pid 562] close(22) = -1 EBADF (Bad file descriptor) [pid 562] close(23) = -1 EBADF (Bad file descriptor) [pid 562] close(24) = -1 EBADF (Bad file descriptor) [pid 562] close(25) = -1 EBADF (Bad file descriptor) [pid 562] close(26) = -1 EBADF (Bad file descriptor) [pid 562] close(27) = -1 EBADF (Bad file descriptor) [pid 562] close(28) = -1 EBADF (Bad file descriptor) [pid 562] close(29) = -1 EBADF (Bad file descriptor) [pid 562] exit_group(0) = ? [pid 562] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./264/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./264/binderfs") = 0 [pid 297] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./264/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./264/cgroup.net") = 0 [pid 297] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./264/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./264/cgroup.cpu") = 0 [pid 297] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./264/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./264/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./264") = 0 [pid 297] mkdir("./265", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 563 attached , child_tidptr=0x555565b1f650) = 267 [pid 563] set_robust_list(0x555565b1f660, 24) = 0 [pid 563] chdir("./265") = 0 [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 563] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 563] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] symlink("/dev/binderfs", "./binderfs") = 0 [pid 563] write(1, "executing program\n", 18executing program ) = 18 [pid 563] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 563] close(3) = -1 EBADF (Bad file descriptor) [pid 563] close(4) = -1 EBADF (Bad file descriptor) [pid 563] close(5) = -1 EBADF (Bad file descriptor) [pid 563] close(6) = -1 EBADF (Bad file descriptor) [pid 563] close(7) = -1 EBADF (Bad file descriptor) [pid 563] close(8) = -1 EBADF (Bad file descriptor) [pid 563] close(9) = -1 EBADF (Bad file descriptor) [pid 563] close(10) = -1 EBADF (Bad file descriptor) [pid 563] close(11) = -1 EBADF (Bad file descriptor) [pid 563] close(12) = -1 EBADF (Bad file descriptor) [pid 563] close(13) = -1 EBADF (Bad file descriptor) [pid 563] close(14) = -1 EBADF (Bad file descriptor) [pid 563] close(15) = -1 EBADF (Bad file descriptor) [pid 563] close(16) = -1 EBADF (Bad file descriptor) [pid 563] close(17) = -1 EBADF (Bad file descriptor) [pid 563] close(18) = -1 EBADF (Bad file descriptor) [pid 563] close(19) = -1 EBADF (Bad file descriptor) [pid 563] close(20) = -1 EBADF (Bad file descriptor) [pid 563] close(21) = -1 EBADF (Bad file descriptor) [pid 563] close(22) = -1 EBADF (Bad file descriptor) [pid 563] close(23) = -1 EBADF (Bad file descriptor) [pid 563] close(24) = -1 EBADF (Bad file descriptor) [pid 563] close(25) = -1 EBADF (Bad file descriptor) [pid 563] close(26) = -1 EBADF (Bad file descriptor) [pid 563] close(27) = -1 EBADF (Bad file descriptor) [pid 563] close(28) = -1 EBADF (Bad file descriptor) [pid 563] close(29) = -1 EBADF (Bad file descriptor) [pid 563] exit_group(0) = ? [pid 563] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./265/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./265/binderfs") = 0 [pid 297] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./265/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./265/cgroup.net") = 0 [pid 297] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./265/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./265/cgroup.cpu") = 0 [pid 297] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./265/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./265/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./265") = 0 [pid 297] mkdir("./266", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 268 ./strace-static-x86_64: Process 564 attached [pid 564] set_robust_list(0x555565b1f660, 24) = 0 [pid 564] chdir("./266") = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 564] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 564] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] symlink("/dev/binderfs", "./binderfs") = 0 [pid 564] write(1, "executing program\n", 18executing program ) = 18 [ 30.567292][ T562] incfs: Error allocating mount info. -12 [ 30.573087][ T562] incfs: mount failed -12 [ 30.594226][ T563] incfs: Error allocating mount info. -12 [ 30.600013][ T563] incfs: mount failed -12 [pid 564] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 564] close(3) = -1 EBADF (Bad file descriptor) [pid 564] close(4) = -1 EBADF (Bad file descriptor) [pid 564] close(5) = -1 EBADF (Bad file descriptor) [pid 564] close(6) = -1 EBADF (Bad file descriptor) [pid 564] close(7) = -1 EBADF (Bad file descriptor) [pid 564] close(8) = -1 EBADF (Bad file descriptor) [pid 564] close(9) = -1 EBADF (Bad file descriptor) [pid 564] close(10) = -1 EBADF (Bad file descriptor) [pid 564] close(11) = -1 EBADF (Bad file descriptor) [pid 564] close(12) = -1 EBADF (Bad file descriptor) [pid 564] close(13) = -1 EBADF (Bad file descriptor) [pid 564] close(14) = -1 EBADF (Bad file descriptor) [pid 564] close(15) = -1 EBADF (Bad file descriptor) [pid 564] close(16) = -1 EBADF (Bad file descriptor) [pid 564] close(17) = -1 EBADF (Bad file descriptor) [pid 564] close(18) = -1 EBADF (Bad file descriptor) [pid 564] close(19) = -1 EBADF (Bad file descriptor) [pid 564] close(20) = -1 EBADF (Bad file descriptor) [pid 564] close(21) = -1 EBADF (Bad file descriptor) [pid 564] close(22) = -1 EBADF (Bad file descriptor) [pid 564] close(23) = -1 EBADF (Bad file descriptor) [pid 564] close(24) = -1 EBADF (Bad file descriptor) [pid 564] close(25) = -1 EBADF (Bad file descriptor) [pid 564] close(26) = -1 EBADF (Bad file descriptor) [pid 564] close(27) = -1 EBADF (Bad file descriptor) [pid 564] close(28) = -1 EBADF (Bad file descriptor) [pid 564] close(29) = -1 EBADF (Bad file descriptor) [pid 564] exit_group(0) = ? [pid 564] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./266/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./266/binderfs") = 0 [pid 297] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./266/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./266/cgroup.net") = 0 [pid 297] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./266/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./266/cgroup.cpu") = 0 [pid 297] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./266/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./266/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./266") = 0 [pid 297] mkdir("./267", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 269 ./strace-static-x86_64: Process 565 attached [pid 565] set_robust_list(0x555565b1f660, 24) = 0 [pid 565] chdir("./267") = 0 [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 565] setpgid(0, 0) = 0 [pid 565] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 565] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 565] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 565] write(3, "1000", 4) = 4 [pid 565] close(3) = 0 [pid 565] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 565] write(1, "executing program\n", 18) = 18 [pid 565] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 565] close(3) = -1 EBADF (Bad file descriptor) [pid 565] close(4) = -1 EBADF (Bad file descriptor) [pid 565] close(5) = -1 EBADF (Bad file descriptor) [pid 565] close(6) = -1 EBADF (Bad file descriptor) [pid 565] close(7) = -1 EBADF (Bad file descriptor) [pid 565] close(8) = -1 EBADF (Bad file descriptor) [pid 565] close(9) = -1 EBADF (Bad file descriptor) [pid 565] close(10) = -1 EBADF (Bad file descriptor) [pid 565] close(11) = -1 EBADF (Bad file descriptor) [pid 565] close(12) = -1 EBADF (Bad file descriptor) [pid 565] close(13) = -1 EBADF (Bad file descriptor) [pid 565] close(14) = -1 EBADF (Bad file descriptor) [pid 565] close(15) = -1 EBADF (Bad file descriptor) [pid 565] close(16) = -1 EBADF (Bad file descriptor) [pid 565] close(17) = -1 EBADF (Bad file descriptor) [pid 565] close(18) = -1 EBADF (Bad file descriptor) [pid 565] close(19) = -1 EBADF (Bad file descriptor) [pid 565] close(20) = -1 EBADF (Bad file descriptor) [pid 565] close(21) = -1 EBADF (Bad file descriptor) [pid 565] close(22) = -1 EBADF (Bad file descriptor) [pid 565] close(23) = -1 EBADF (Bad file descriptor) [pid 565] close(24) = -1 EBADF (Bad file descriptor) [pid 565] close(25) = -1 EBADF (Bad file descriptor) [pid 565] close(26) = -1 EBADF (Bad file descriptor) [pid 565] close(27) = -1 EBADF (Bad file descriptor) [pid 565] close(28) = -1 EBADF (Bad file descriptor) [pid 565] close(29) = -1 EBADF (Bad file descriptor) [pid 565] exit_group(0) = ? [pid 565] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./267/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./267/binderfs") = 0 [pid 297] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./267/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./267/cgroup.net") = 0 [pid 297] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./267/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./267/cgroup.cpu") = 0 [pid 297] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./267/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./267/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./267") = 0 [pid 297] mkdir("./268", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 270 ./strace-static-x86_64: Process 566 attached [pid 566] set_robust_list(0x555565b1f660, 24) = 0 [pid 566] chdir("./268") = 0 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 566] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 566] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 [pid 566] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 566] write(1, "executing program\n", 18) = 18 [ 30.621872][ T564] incfs: Error allocating mount info. -12 [ 30.627610][ T564] incfs: mount failed -12 [ 30.648201][ T565] incfs: Error allocating mount info. -12 [ 30.653991][ T565] incfs: mount failed -12 [pid 566] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 566] close(3) = -1 EBADF (Bad file descriptor) [pid 566] close(4) = -1 EBADF (Bad file descriptor) [pid 566] close(5) = -1 EBADF (Bad file descriptor) [pid 566] close(6) = -1 EBADF (Bad file descriptor) [pid 566] close(7) = -1 EBADF (Bad file descriptor) [pid 566] close(8) = -1 EBADF (Bad file descriptor) [pid 566] close(9) = -1 EBADF (Bad file descriptor) [pid 566] close(10) = -1 EBADF (Bad file descriptor) [pid 566] close(11) = -1 EBADF (Bad file descriptor) [pid 566] close(12) = -1 EBADF (Bad file descriptor) [pid 566] close(13) = -1 EBADF (Bad file descriptor) [pid 566] close(14) = -1 EBADF (Bad file descriptor) [pid 566] close(15) = -1 EBADF (Bad file descriptor) [pid 566] close(16) = -1 EBADF (Bad file descriptor) [pid 566] close(17) = -1 EBADF (Bad file descriptor) [pid 566] close(18) = -1 EBADF (Bad file descriptor) [pid 566] close(19) = -1 EBADF (Bad file descriptor) [pid 566] close(20) = -1 EBADF (Bad file descriptor) [pid 566] close(21) = -1 EBADF (Bad file descriptor) [pid 566] close(22) = -1 EBADF (Bad file descriptor) [pid 566] close(23) = -1 EBADF (Bad file descriptor) [pid 566] close(24) = -1 EBADF (Bad file descriptor) [pid 566] close(25) = -1 EBADF (Bad file descriptor) [pid 566] close(26) = -1 EBADF (Bad file descriptor) [pid 566] close(27) = -1 EBADF (Bad file descriptor) [pid 566] close(28) = -1 EBADF (Bad file descriptor) [pid 566] close(29) = -1 EBADF (Bad file descriptor) [pid 566] exit_group(0) = ? [pid 566] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./268/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./268/binderfs") = 0 [pid 297] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./268/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./268/cgroup.net") = 0 [pid 297] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./268/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./268/cgroup.cpu") = 0 [pid 297] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./268/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./268/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./268") = 0 [pid 297] mkdir("./269", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 271 ./strace-static-x86_64: Process 567 attached [pid 567] set_robust_list(0x555565b1f660, 24) = 0 [pid 567] chdir("./269") = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 567] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 567] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] symlink("/dev/binderfs", "./binderfs") = 0 [pid 567] write(1, "executing program\n", 18executing program ) = 18 [pid 567] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 567] close(3) = -1 EBADF (Bad file descriptor) [pid 567] close(4) = -1 EBADF (Bad file descriptor) [pid 567] close(5) = -1 EBADF (Bad file descriptor) [pid 567] close(6) = -1 EBADF (Bad file descriptor) [pid 567] close(7) = -1 EBADF (Bad file descriptor) [pid 567] close(8) = -1 EBADF (Bad file descriptor) [pid 567] close(9) = -1 EBADF (Bad file descriptor) [pid 567] close(10) = -1 EBADF (Bad file descriptor) [pid 567] close(11) = -1 EBADF (Bad file descriptor) [pid 567] close(12) = -1 EBADF (Bad file descriptor) [pid 567] close(13) = -1 EBADF (Bad file descriptor) [pid 567] close(14) = -1 EBADF (Bad file descriptor) [pid 567] close(15) = -1 EBADF (Bad file descriptor) [pid 567] close(16) = -1 EBADF (Bad file descriptor) [pid 567] close(17) = -1 EBADF (Bad file descriptor) [pid 567] close(18) = -1 EBADF (Bad file descriptor) [pid 567] close(19) = -1 EBADF (Bad file descriptor) [pid 567] close(20) = -1 EBADF (Bad file descriptor) [pid 567] close(21) = -1 EBADF (Bad file descriptor) [pid 567] close(22) = -1 EBADF (Bad file descriptor) [pid 567] close(23) = -1 EBADF (Bad file descriptor) [pid 567] close(24) = -1 EBADF (Bad file descriptor) [pid 567] close(25) = -1 EBADF (Bad file descriptor) [pid 567] close(26) = -1 EBADF (Bad file descriptor) [pid 567] close(27) = -1 EBADF (Bad file descriptor) [pid 567] close(28) = -1 EBADF (Bad file descriptor) [pid 567] close(29) = -1 EBADF (Bad file descriptor) [pid 567] exit_group(0) = ? [pid 567] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./269/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./269/binderfs") = 0 [pid 297] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./269/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./269/cgroup.net") = 0 [pid 297] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./269/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./269/cgroup.cpu") = 0 [pid 297] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./269/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./269/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./269") = 0 [pid 297] mkdir("./270", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 272 ./strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x555565b1f660, 24) = 0 [pid 568] chdir("./270") = 0 [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 568] setpgid(0, 0) = 0 [pid 568] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 568] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 568] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 [pid 568] symlink("/dev/binderfs", "./binderfs") = 0 [pid 568] write(1, "executing program\n", 18executing program [ 30.676748][ T566] incfs: Error allocating mount info. -12 [ 30.682559][ T566] incfs: mount failed -12 [ 30.705775][ T567] incfs: Error allocating mount info. -12 [ 30.711596][ T567] incfs: mount failed -12 ) = 18 [pid 568] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 568] close(3) = -1 EBADF (Bad file descriptor) [pid 568] close(4) = -1 EBADF (Bad file descriptor) [pid 568] close(5) = -1 EBADF (Bad file descriptor) [pid 568] close(6) = -1 EBADF (Bad file descriptor) [pid 568] close(7) = -1 EBADF (Bad file descriptor) [pid 568] close(8) = -1 EBADF (Bad file descriptor) [pid 568] close(9) = -1 EBADF (Bad file descriptor) [pid 568] close(10) = -1 EBADF (Bad file descriptor) [pid 568] close(11) = -1 EBADF (Bad file descriptor) [pid 568] close(12) = -1 EBADF (Bad file descriptor) [pid 568] close(13) = -1 EBADF (Bad file descriptor) [pid 568] close(14) = -1 EBADF (Bad file descriptor) [pid 568] close(15) = -1 EBADF (Bad file descriptor) [pid 568] close(16) = -1 EBADF (Bad file descriptor) [pid 568] close(17) = -1 EBADF (Bad file descriptor) [pid 568] close(18) = -1 EBADF (Bad file descriptor) [pid 568] close(19) = -1 EBADF (Bad file descriptor) [pid 568] close(20) = -1 EBADF (Bad file descriptor) [pid 568] close(21) = -1 EBADF (Bad file descriptor) [pid 568] close(22) = -1 EBADF (Bad file descriptor) [pid 568] close(23) = -1 EBADF (Bad file descriptor) [pid 568] close(24) = -1 EBADF (Bad file descriptor) [pid 568] close(25) = -1 EBADF (Bad file descriptor) [pid 568] close(26) = -1 EBADF (Bad file descriptor) [pid 568] close(27) = -1 EBADF (Bad file descriptor) [pid 568] close(28) = -1 EBADF (Bad file descriptor) [pid 568] close(29) = -1 EBADF (Bad file descriptor) [pid 568] exit_group(0) = ? [pid 568] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./270/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./270/binderfs") = 0 [pid 297] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./270/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./270/cgroup.net") = 0 [pid 297] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./270/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./270/cgroup.cpu") = 0 [pid 297] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./270/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./270/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./270") = 0 [pid 297] mkdir("./271", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 273 ./strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x555565b1f660, 24) = 0 [pid 569] chdir("./271") = 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 569] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 569] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 569] write(1, "executing program\n", 18executing program ) = 18 [pid 569] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 569] close(3) = -1 EBADF (Bad file descriptor) [pid 569] close(4) = -1 EBADF (Bad file descriptor) [pid 569] close(5) = -1 EBADF (Bad file descriptor) [pid 569] close(6) = -1 EBADF (Bad file descriptor) [pid 569] close(7) = -1 EBADF (Bad file descriptor) [pid 569] close(8) = -1 EBADF (Bad file descriptor) [pid 569] close(9) = -1 EBADF (Bad file descriptor) [pid 569] close(10) = -1 EBADF (Bad file descriptor) [pid 569] close(11) = -1 EBADF (Bad file descriptor) [pid 569] close(12) = -1 EBADF (Bad file descriptor) [pid 569] close(13) = -1 EBADF (Bad file descriptor) [pid 569] close(14) = -1 EBADF (Bad file descriptor) [pid 569] close(15) = -1 EBADF (Bad file descriptor) [pid 569] close(16) = -1 EBADF (Bad file descriptor) [pid 569] close(17) = -1 EBADF (Bad file descriptor) [pid 569] close(18) = -1 EBADF (Bad file descriptor) [pid 569] close(19) = -1 EBADF (Bad file descriptor) [pid 569] close(20) = -1 EBADF (Bad file descriptor) [pid 569] close(21) = -1 EBADF (Bad file descriptor) [pid 569] close(22) = -1 EBADF (Bad file descriptor) [pid 569] close(23) = -1 EBADF (Bad file descriptor) [pid 569] close(24) = -1 EBADF (Bad file descriptor) [pid 569] close(25) = -1 EBADF (Bad file descriptor) [pid 569] close(26) = -1 EBADF (Bad file descriptor) [pid 569] close(27) = -1 EBADF (Bad file descriptor) [pid 569] close(28) = -1 EBADF (Bad file descriptor) [pid 569] close(29) = -1 EBADF (Bad file descriptor) [pid 569] exit_group(0) = ? [pid 569] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./271/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./271/binderfs") = 0 [pid 297] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./271/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./271/cgroup.net") = 0 [pid 297] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./271/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./271/cgroup.cpu") = 0 [pid 297] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./271/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./271/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./271") = 0 [pid 297] mkdir("./272", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 274 ./strace-static-x86_64: Process 570 attached [pid 570] set_robust_list(0x555565b1f660, 24) = 0 [pid 570] chdir("./272") = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 570] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 570] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 570] write(1, "executing program\n", 18) = 18 [ 30.729017][ T568] incfs: Error allocating mount info. -12 [ 30.734797][ T568] incfs: mount failed -12 [ 30.753297][ T569] incfs: Error allocating mount info. -12 [ 30.759100][ T569] incfs: mount failed -12 [pid 570] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 570] close(3) = -1 EBADF (Bad file descriptor) [pid 570] close(4) = -1 EBADF (Bad file descriptor) [pid 570] close(5) = -1 EBADF (Bad file descriptor) [pid 570] close(6) = -1 EBADF (Bad file descriptor) [pid 570] close(7) = -1 EBADF (Bad file descriptor) [pid 570] close(8) = -1 EBADF (Bad file descriptor) [pid 570] close(9) = -1 EBADF (Bad file descriptor) [pid 570] close(10) = -1 EBADF (Bad file descriptor) [pid 570] close(11) = -1 EBADF (Bad file descriptor) [pid 570] close(12) = -1 EBADF (Bad file descriptor) [pid 570] close(13) = -1 EBADF (Bad file descriptor) [pid 570] close(14) = -1 EBADF (Bad file descriptor) [pid 570] close(15) = -1 EBADF (Bad file descriptor) [pid 570] close(16) = -1 EBADF (Bad file descriptor) [pid 570] close(17) = -1 EBADF (Bad file descriptor) [pid 570] close(18) = -1 EBADF (Bad file descriptor) [pid 570] close(19) = -1 EBADF (Bad file descriptor) [pid 570] close(20) = -1 EBADF (Bad file descriptor) [pid 570] close(21) = -1 EBADF (Bad file descriptor) [pid 570] close(22) = -1 EBADF (Bad file descriptor) [pid 570] close(23) = -1 EBADF (Bad file descriptor) [pid 570] close(24) = -1 EBADF (Bad file descriptor) [pid 570] close(25) = -1 EBADF (Bad file descriptor) [pid 570] close(26) = -1 EBADF (Bad file descriptor) [pid 570] close(27) = -1 EBADF (Bad file descriptor) [pid 570] close(28) = -1 EBADF (Bad file descriptor) [pid 570] close(29) = -1 EBADF (Bad file descriptor) [pid 570] exit_group(0) = ? [pid 570] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./272/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./272/binderfs") = 0 [pid 297] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./272/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./272/cgroup.net") = 0 [pid 297] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./272/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./272/cgroup.cpu") = 0 [pid 297] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./272/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./272/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./272") = 0 [pid 297] mkdir("./273", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 275 ./strace-static-x86_64: Process 571 attached [pid 571] set_robust_list(0x555565b1f660, 24) = 0 [pid 571] chdir("./273") = 0 [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 571] setpgid(0, 0) = 0 [pid 571] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 571] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 571] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 571] write(3, "1000", 4) = 4 [pid 571] close(3) = 0 [pid 571] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 571] write(1, "executing program\n", 18) = 18 [pid 571] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 571] close(3) = -1 EBADF (Bad file descriptor) [pid 571] close(4) = -1 EBADF (Bad file descriptor) [pid 571] close(5) = -1 EBADF (Bad file descriptor) [pid 571] close(6) = -1 EBADF (Bad file descriptor) [pid 571] close(7) = -1 EBADF (Bad file descriptor) [pid 571] close(8) = -1 EBADF (Bad file descriptor) [pid 571] close(9) = -1 EBADF (Bad file descriptor) [pid 571] close(10) = -1 EBADF (Bad file descriptor) [pid 571] close(11) = -1 EBADF (Bad file descriptor) [pid 571] close(12) = -1 EBADF (Bad file descriptor) [pid 571] close(13) = -1 EBADF (Bad file descriptor) [pid 571] close(14) = -1 EBADF (Bad file descriptor) [pid 571] close(15) = -1 EBADF (Bad file descriptor) [pid 571] close(16) = -1 EBADF (Bad file descriptor) [pid 571] close(17) = -1 EBADF (Bad file descriptor) [pid 571] close(18) = -1 EBADF (Bad file descriptor) [pid 571] close(19) = -1 EBADF (Bad file descriptor) [pid 571] close(20) = -1 EBADF (Bad file descriptor) [pid 571] close(21) = -1 EBADF (Bad file descriptor) [pid 571] close(22) = -1 EBADF (Bad file descriptor) [pid 571] close(23) = -1 EBADF (Bad file descriptor) [pid 571] close(24) = -1 EBADF (Bad file descriptor) [pid 571] close(25) = -1 EBADF (Bad file descriptor) [pid 571] close(26) = -1 EBADF (Bad file descriptor) [pid 571] close(27) = -1 EBADF (Bad file descriptor) [pid 571] close(28) = -1 EBADF (Bad file descriptor) [pid 571] close(29) = -1 EBADF (Bad file descriptor) [pid 571] exit_group(0) = ? [pid 571] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./273/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./273/binderfs") = 0 [pid 297] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./273/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./273/cgroup.net") = 0 [pid 297] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./273/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./273/cgroup.cpu") = 0 [pid 297] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./273/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./273/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./273") = 0 [pid 297] mkdir("./274", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 276 ./strace-static-x86_64: Process 572 attached [pid 572] set_robust_list(0x555565b1f660, 24) = 0 [pid 572] chdir("./274") = 0 [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 572] setpgid(0, 0) = 0 [pid 572] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 572] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 572] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] write(3, "1000", 4) = 4 [pid 572] close(3) = 0 [pid 572] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 572] write(1, "executing program\n", 18) = 18 [ 30.778469][ T570] incfs: Error allocating mount info. -12 [ 30.784217][ T570] incfs: mount failed -12 [ 30.803981][ T571] incfs: Error allocating mount info. -12 [ 30.809761][ T571] incfs: mount failed -12 [pid 572] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 572] close(3) = -1 EBADF (Bad file descriptor) [pid 572] close(4) = -1 EBADF (Bad file descriptor) [pid 572] close(5) = -1 EBADF (Bad file descriptor) [pid 572] close(6) = -1 EBADF (Bad file descriptor) [pid 572] close(7) = -1 EBADF (Bad file descriptor) [pid 572] close(8) = -1 EBADF (Bad file descriptor) [pid 572] close(9) = -1 EBADF (Bad file descriptor) [pid 572] close(10) = -1 EBADF (Bad file descriptor) [pid 572] close(11) = -1 EBADF (Bad file descriptor) [pid 572] close(12) = -1 EBADF (Bad file descriptor) [pid 572] close(13) = -1 EBADF (Bad file descriptor) [pid 572] close(14) = -1 EBADF (Bad file descriptor) [pid 572] close(15) = -1 EBADF (Bad file descriptor) [pid 572] close(16) = -1 EBADF (Bad file descriptor) [pid 572] close(17) = -1 EBADF (Bad file descriptor) [pid 572] close(18) = -1 EBADF (Bad file descriptor) [pid 572] close(19) = -1 EBADF (Bad file descriptor) [pid 572] close(20) = -1 EBADF (Bad file descriptor) [pid 572] close(21) = -1 EBADF (Bad file descriptor) [pid 572] close(22) = -1 EBADF (Bad file descriptor) [pid 572] close(23) = -1 EBADF (Bad file descriptor) [pid 572] close(24) = -1 EBADF (Bad file descriptor) [pid 572] close(25) = -1 EBADF (Bad file descriptor) [pid 572] close(26) = -1 EBADF (Bad file descriptor) [pid 572] close(27) = -1 EBADF (Bad file descriptor) [pid 572] close(28) = -1 EBADF (Bad file descriptor) [pid 572] close(29) = -1 EBADF (Bad file descriptor) [pid 572] exit_group(0) = ? [pid 572] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./274/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./274/binderfs") = 0 [pid 297] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./274/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./274/cgroup.net") = 0 [pid 297] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./274/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./274/cgroup.cpu") = 0 [pid 297] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./274/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./274/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./274") = 0 [pid 297] mkdir("./275", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 277 ./strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x555565b1f660, 24) = 0 [pid 573] chdir("./275") = 0 [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 573] setpgid(0, 0) = 0 [pid 573] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 573] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 573] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 573] write(3, "1000", 4) = 4 [pid 573] close(3) = 0 [pid 573] symlink("/dev/binderfs", "./binderfs") = 0 [pid 573] write(1, "executing program\n", 18executing program ) = 18 [pid 573] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 573] close(3) = -1 EBADF (Bad file descriptor) [pid 573] close(4) = -1 EBADF (Bad file descriptor) [pid 573] close(5) = -1 EBADF (Bad file descriptor) [pid 573] close(6) = -1 EBADF (Bad file descriptor) [pid 573] close(7) = -1 EBADF (Bad file descriptor) [pid 573] close(8) = -1 EBADF (Bad file descriptor) [pid 573] close(9) = -1 EBADF (Bad file descriptor) [pid 573] close(10) = -1 EBADF (Bad file descriptor) [pid 573] close(11) = -1 EBADF (Bad file descriptor) [pid 573] close(12) = -1 EBADF (Bad file descriptor) [pid 573] close(13) = -1 EBADF (Bad file descriptor) [pid 573] close(14) = -1 EBADF (Bad file descriptor) [pid 573] close(15) = -1 EBADF (Bad file descriptor) [pid 573] close(16) = -1 EBADF (Bad file descriptor) [pid 573] close(17) = -1 EBADF (Bad file descriptor) [pid 573] close(18) = -1 EBADF (Bad file descriptor) [pid 573] close(19) = -1 EBADF (Bad file descriptor) [pid 573] close(20) = -1 EBADF (Bad file descriptor) [pid 573] close(21) = -1 EBADF (Bad file descriptor) [pid 573] close(22) = -1 EBADF (Bad file descriptor) [pid 573] close(23) = -1 EBADF (Bad file descriptor) [pid 573] close(24) = -1 EBADF (Bad file descriptor) [pid 573] close(25) = -1 EBADF (Bad file descriptor) [pid 573] close(26) = -1 EBADF (Bad file descriptor) [pid 573] close(27) = -1 EBADF (Bad file descriptor) [pid 573] close(28) = -1 EBADF (Bad file descriptor) [pid 573] close(29) = -1 EBADF (Bad file descriptor) [pid 573] exit_group(0) = ? [pid 573] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./275/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./275/binderfs") = 0 [pid 297] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./275/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./275/cgroup.net") = 0 [pid 297] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./275/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./275/cgroup.cpu") = 0 [pid 297] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./275/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./275/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./275") = 0 [pid 297] mkdir("./276", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 574 attached , child_tidptr=0x555565b1f650) = 278 [pid 574] set_robust_list(0x555565b1f660, 24) = 0 [pid 574] chdir("./276") = 0 [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 574] setpgid(0, 0) = 0 [pid 574] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 574] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 574] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 executing program [pid 574] symlink("/dev/binderfs", "./binderfs") = 0 [pid 574] write(1, "executing program\n", 18) = 18 [ 30.832868][ T572] incfs: Error allocating mount info. -12 [ 30.838705][ T572] incfs: mount failed -12 [ 30.859568][ T573] incfs: Error allocating mount info. -12 [ 30.865311][ T573] incfs: mount failed -12 [pid 574] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 574] close(3) = -1 EBADF (Bad file descriptor) [pid 574] close(4) = -1 EBADF (Bad file descriptor) [pid 574] close(5) = -1 EBADF (Bad file descriptor) [pid 574] close(6) = -1 EBADF (Bad file descriptor) [pid 574] close(7) = -1 EBADF (Bad file descriptor) [pid 574] close(8) = -1 EBADF (Bad file descriptor) [pid 574] close(9) = -1 EBADF (Bad file descriptor) [pid 574] close(10) = -1 EBADF (Bad file descriptor) [pid 574] close(11) = -1 EBADF (Bad file descriptor) [pid 574] close(12) = -1 EBADF (Bad file descriptor) [pid 574] close(13) = -1 EBADF (Bad file descriptor) [pid 574] close(14) = -1 EBADF (Bad file descriptor) [pid 574] close(15) = -1 EBADF (Bad file descriptor) [pid 574] close(16) = -1 EBADF (Bad file descriptor) [pid 574] close(17) = -1 EBADF (Bad file descriptor) [pid 574] close(18) = -1 EBADF (Bad file descriptor) [pid 574] close(19) = -1 EBADF (Bad file descriptor) [pid 574] close(20) = -1 EBADF (Bad file descriptor) [pid 574] close(21) = -1 EBADF (Bad file descriptor) [pid 574] close(22) = -1 EBADF (Bad file descriptor) [pid 574] close(23) = -1 EBADF (Bad file descriptor) [pid 574] close(24) = -1 EBADF (Bad file descriptor) [pid 574] close(25) = -1 EBADF (Bad file descriptor) [pid 574] close(26) = -1 EBADF (Bad file descriptor) [pid 574] close(27) = -1 EBADF (Bad file descriptor) [pid 574] close(28) = -1 EBADF (Bad file descriptor) [pid 574] close(29) = -1 EBADF (Bad file descriptor) [pid 574] exit_group(0) = ? [pid 574] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./276/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./276/binderfs") = 0 [pid 297] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./276/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./276/cgroup.net") = 0 [pid 297] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./276/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./276/cgroup.cpu") = 0 [pid 297] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./276/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./276/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./276") = 0 [pid 297] mkdir("./277", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 279 ./strace-static-x86_64: Process 575 attached [pid 575] set_robust_list(0x555565b1f660, 24) = 0 [pid 575] chdir("./277") = 0 [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 575] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 575] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 575] symlink("/dev/binderfs", "./binderfs") = 0 [pid 575] write(1, "executing program\n", 18executing program ) = 18 [pid 575] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 575] close(3) = -1 EBADF (Bad file descriptor) [pid 575] close(4) = -1 EBADF (Bad file descriptor) [pid 575] close(5) = -1 EBADF (Bad file descriptor) [pid 575] close(6) = -1 EBADF (Bad file descriptor) [pid 575] close(7) = -1 EBADF (Bad file descriptor) [pid 575] close(8) = -1 EBADF (Bad file descriptor) [pid 575] close(9) = -1 EBADF (Bad file descriptor) [pid 575] close(10) = -1 EBADF (Bad file descriptor) [pid 575] close(11) = -1 EBADF (Bad file descriptor) [pid 575] close(12) = -1 EBADF (Bad file descriptor) [pid 575] close(13) = -1 EBADF (Bad file descriptor) [pid 575] close(14) = -1 EBADF (Bad file descriptor) [pid 575] close(15) = -1 EBADF (Bad file descriptor) [pid 575] close(16) = -1 EBADF (Bad file descriptor) [pid 575] close(17) = -1 EBADF (Bad file descriptor) [pid 575] close(18) = -1 EBADF (Bad file descriptor) [pid 575] close(19) = -1 EBADF (Bad file descriptor) [pid 575] close(20) = -1 EBADF (Bad file descriptor) [pid 575] close(21) = -1 EBADF (Bad file descriptor) [pid 575] close(22) = -1 EBADF (Bad file descriptor) [pid 575] close(23) = -1 EBADF (Bad file descriptor) [pid 575] close(24) = -1 EBADF (Bad file descriptor) [pid 575] close(25) = -1 EBADF (Bad file descriptor) [pid 575] close(26) = -1 EBADF (Bad file descriptor) [pid 575] close(27) = -1 EBADF (Bad file descriptor) [pid 575] close(28) = -1 EBADF (Bad file descriptor) [pid 575] close(29) = -1 EBADF (Bad file descriptor) [pid 575] exit_group(0) = ? [pid 575] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./277/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./277/binderfs") = 0 [pid 297] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./277/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./277/cgroup.net") = 0 [pid 297] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./277/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./277/cgroup.cpu") = 0 [pid 297] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./277/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./277/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./277") = 0 [pid 297] mkdir("./278", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 280 ./strace-static-x86_64: Process 576 attached [pid 576] set_robust_list(0x555565b1f660, 24) = 0 [pid 576] chdir("./278") = 0 [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 576] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 576] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 [pid 576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 576] write(1, "executing program\n", 18executing program [ 30.884833][ T574] incfs: Error allocating mount info. -12 [ 30.890606][ T574] incfs: mount failed -12 [ 30.912003][ T575] incfs: Error allocating mount info. -12 [ 30.917740][ T575] incfs: mount failed -12 ) = 18 [pid 576] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 576] close(3) = -1 EBADF (Bad file descriptor) [pid 576] close(4) = -1 EBADF (Bad file descriptor) [pid 576] close(5) = -1 EBADF (Bad file descriptor) [pid 576] close(6) = -1 EBADF (Bad file descriptor) [pid 576] close(7) = -1 EBADF (Bad file descriptor) [pid 576] close(8) = -1 EBADF (Bad file descriptor) [pid 576] close(9) = -1 EBADF (Bad file descriptor) [pid 576] close(10) = -1 EBADF (Bad file descriptor) [pid 576] close(11) = -1 EBADF (Bad file descriptor) [pid 576] close(12) = -1 EBADF (Bad file descriptor) [pid 576] close(13) = -1 EBADF (Bad file descriptor) [pid 576] close(14) = -1 EBADF (Bad file descriptor) [pid 576] close(15) = -1 EBADF (Bad file descriptor) [pid 576] close(16) = -1 EBADF (Bad file descriptor) [pid 576] close(17) = -1 EBADF (Bad file descriptor) [pid 576] close(18) = -1 EBADF (Bad file descriptor) [pid 576] close(19) = -1 EBADF (Bad file descriptor) [pid 576] close(20) = -1 EBADF (Bad file descriptor) [pid 576] close(21) = -1 EBADF (Bad file descriptor) [pid 576] close(22) = -1 EBADF (Bad file descriptor) [pid 576] close(23) = -1 EBADF (Bad file descriptor) [pid 576] close(24) = -1 EBADF (Bad file descriptor) [pid 576] close(25) = -1 EBADF (Bad file descriptor) [pid 576] close(26) = -1 EBADF (Bad file descriptor) [pid 576] close(27) = -1 EBADF (Bad file descriptor) [pid 576] close(28) = -1 EBADF (Bad file descriptor) [pid 576] close(29) = -1 EBADF (Bad file descriptor) [pid 576] exit_group(0) = ? [pid 576] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./278/binderfs") = 0 [pid 297] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./278/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./278/cgroup.net") = 0 [pid 297] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./278/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./278/cgroup.cpu") = 0 [pid 297] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./278/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./278/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./278") = 0 [pid 297] mkdir("./279", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 281 ./strace-static-x86_64: Process 577 attached [pid 577] set_robust_list(0x555565b1f660, 24) = 0 [pid 577] chdir("./279") = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 577] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 577] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 577] write(1, "executing program\n", 18) = 18 [pid 577] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 577] close(3) = -1 EBADF (Bad file descriptor) [pid 577] close(4) = -1 EBADF (Bad file descriptor) [pid 577] close(5) = -1 EBADF (Bad file descriptor) [pid 577] close(6) = -1 EBADF (Bad file descriptor) [pid 577] close(7) = -1 EBADF (Bad file descriptor) [pid 577] close(8) = -1 EBADF (Bad file descriptor) [pid 577] close(9) = -1 EBADF (Bad file descriptor) [pid 577] close(10) = -1 EBADF (Bad file descriptor) [pid 577] close(11) = -1 EBADF (Bad file descriptor) [pid 577] close(12) = -1 EBADF (Bad file descriptor) [pid 577] close(13) = -1 EBADF (Bad file descriptor) [pid 577] close(14) = -1 EBADF (Bad file descriptor) [pid 577] close(15) = -1 EBADF (Bad file descriptor) [pid 577] close(16) = -1 EBADF (Bad file descriptor) [pid 577] close(17) = -1 EBADF (Bad file descriptor) [pid 577] close(18) = -1 EBADF (Bad file descriptor) [pid 577] close(19) = -1 EBADF (Bad file descriptor) [pid 577] close(20) = -1 EBADF (Bad file descriptor) [pid 577] close(21) = -1 EBADF (Bad file descriptor) [pid 577] close(22) = -1 EBADF (Bad file descriptor) [pid 577] close(23) = -1 EBADF (Bad file descriptor) [pid 577] close(24) = -1 EBADF (Bad file descriptor) [pid 577] close(25) = -1 EBADF (Bad file descriptor) [pid 577] close(26) = -1 EBADF (Bad file descriptor) [pid 577] close(27) = -1 EBADF (Bad file descriptor) [pid 577] close(28) = -1 EBADF (Bad file descriptor) [pid 577] close(29) = -1 EBADF (Bad file descriptor) [pid 577] exit_group(0) = ? [pid 577] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./279/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./279/binderfs") = 0 [pid 297] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./279/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./279/cgroup.net") = 0 [pid 297] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./279/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./279/cgroup.cpu") = 0 [pid 297] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./279/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./279/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./279") = 0 [pid 297] mkdir("./280", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 282 ./strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x555565b1f660, 24) = 0 [pid 578] chdir("./280") = 0 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 578] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 578] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 578] write(1, "executing program\n", 18) = 18 [ 30.936143][ T576] incfs: Error allocating mount info. -12 [ 30.941956][ T576] incfs: mount failed -12 [ 30.967326][ T577] incfs: Error allocating mount info. -12 [ 30.973106][ T577] incfs: mount failed -12 [pid 578] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 578] close(3) = -1 EBADF (Bad file descriptor) [pid 578] close(4) = -1 EBADF (Bad file descriptor) [pid 578] close(5) = -1 EBADF (Bad file descriptor) [pid 578] close(6) = -1 EBADF (Bad file descriptor) [pid 578] close(7) = -1 EBADF (Bad file descriptor) [pid 578] close(8) = -1 EBADF (Bad file descriptor) [pid 578] close(9) = -1 EBADF (Bad file descriptor) [pid 578] close(10) = -1 EBADF (Bad file descriptor) [pid 578] close(11) = -1 EBADF (Bad file descriptor) [pid 578] close(12) = -1 EBADF (Bad file descriptor) [pid 578] close(13) = -1 EBADF (Bad file descriptor) [pid 578] close(14) = -1 EBADF (Bad file descriptor) [pid 578] close(15) = -1 EBADF (Bad file descriptor) [pid 578] close(16) = -1 EBADF (Bad file descriptor) [pid 578] close(17) = -1 EBADF (Bad file descriptor) [pid 578] close(18) = -1 EBADF (Bad file descriptor) [pid 578] close(19) = -1 EBADF (Bad file descriptor) [pid 578] close(20) = -1 EBADF (Bad file descriptor) [pid 578] close(21) = -1 EBADF (Bad file descriptor) [pid 578] close(22) = -1 EBADF (Bad file descriptor) [pid 578] close(23) = -1 EBADF (Bad file descriptor) [pid 578] close(24) = -1 EBADF (Bad file descriptor) [pid 578] close(25) = -1 EBADF (Bad file descriptor) [pid 578] close(26) = -1 EBADF (Bad file descriptor) [pid 578] close(27) = -1 EBADF (Bad file descriptor) [pid 578] close(28) = -1 EBADF (Bad file descriptor) [pid 578] close(29) = -1 EBADF (Bad file descriptor) [pid 578] exit_group(0) = ? [pid 578] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./280/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./280/binderfs") = 0 [pid 297] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./280/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./280/cgroup.net") = 0 [pid 297] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./280/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./280/cgroup.cpu") = 0 [pid 297] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./280/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./280/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./280") = 0 [pid 297] mkdir("./281", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 579 attached , child_tidptr=0x555565b1f650) = 283 [pid 579] set_robust_list(0x555565b1f660, 24) = 0 [pid 579] chdir("./281") = 0 [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 579] setpgid(0, 0) = 0 [pid 579] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 579] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 579] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 579] write(3, "1000", 4) = 4 [pid 579] close(3) = 0 [pid 579] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 579] write(1, "executing program\n", 18) = 18 [pid 579] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 579] close(3) = -1 EBADF (Bad file descriptor) [pid 579] close(4) = -1 EBADF (Bad file descriptor) [pid 579] close(5) = -1 EBADF (Bad file descriptor) [pid 579] close(6) = -1 EBADF (Bad file descriptor) [pid 579] close(7) = -1 EBADF (Bad file descriptor) [pid 579] close(8) = -1 EBADF (Bad file descriptor) [pid 579] close(9) = -1 EBADF (Bad file descriptor) [pid 579] close(10) = -1 EBADF (Bad file descriptor) [pid 579] close(11) = -1 EBADF (Bad file descriptor) [pid 579] close(12) = -1 EBADF (Bad file descriptor) [pid 579] close(13) = -1 EBADF (Bad file descriptor) [pid 579] close(14) = -1 EBADF (Bad file descriptor) [pid 579] close(15) = -1 EBADF (Bad file descriptor) [pid 579] close(16) = -1 EBADF (Bad file descriptor) [pid 579] close(17) = -1 EBADF (Bad file descriptor) [pid 579] close(18) = -1 EBADF (Bad file descriptor) [pid 579] close(19) = -1 EBADF (Bad file descriptor) [pid 579] close(20) = -1 EBADF (Bad file descriptor) [pid 579] close(21) = -1 EBADF (Bad file descriptor) [pid 579] close(22) = -1 EBADF (Bad file descriptor) [pid 579] close(23) = -1 EBADF (Bad file descriptor) [pid 579] close(24) = -1 EBADF (Bad file descriptor) [pid 579] close(25) = -1 EBADF (Bad file descriptor) [pid 579] close(26) = -1 EBADF (Bad file descriptor) [pid 579] close(27) = -1 EBADF (Bad file descriptor) [pid 579] close(28) = -1 EBADF (Bad file descriptor) [pid 579] close(29) = -1 EBADF (Bad file descriptor) [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./281/binderfs") = 0 [pid 297] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./281/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./281/cgroup.net") = 0 [pid 297] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./281/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./281/cgroup.cpu") = 0 [pid 297] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./281/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./281/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./281") = 0 [pid 297] mkdir("./282", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 580 attached , child_tidptr=0x555565b1f650) = 284 [pid 580] set_robust_list(0x555565b1f660, 24) = 0 [pid 580] chdir("./282") = 0 [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 580] setpgid(0, 0) = 0 [pid 580] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 580] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 580] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 580] write(1, "executing program\n", 18) = 18 [ 30.995180][ T578] incfs: Error allocating mount info. -12 [ 31.000967][ T578] incfs: mount failed -12 [ 31.022461][ T579] incfs: Error allocating mount info. -12 [ 31.028218][ T579] incfs: mount failed -12 [pid 580] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 580] close(3) = -1 EBADF (Bad file descriptor) [pid 580] close(4) = -1 EBADF (Bad file descriptor) [pid 580] close(5) = -1 EBADF (Bad file descriptor) [pid 580] close(6) = -1 EBADF (Bad file descriptor) [pid 580] close(7) = -1 EBADF (Bad file descriptor) [pid 580] close(8) = -1 EBADF (Bad file descriptor) [pid 580] close(9) = -1 EBADF (Bad file descriptor) [pid 580] close(10) = -1 EBADF (Bad file descriptor) [pid 580] close(11) = -1 EBADF (Bad file descriptor) [pid 580] close(12) = -1 EBADF (Bad file descriptor) [pid 580] close(13) = -1 EBADF (Bad file descriptor) [pid 580] close(14) = -1 EBADF (Bad file descriptor) [pid 580] close(15) = -1 EBADF (Bad file descriptor) [pid 580] close(16) = -1 EBADF (Bad file descriptor) [pid 580] close(17) = -1 EBADF (Bad file descriptor) [pid 580] close(18) = -1 EBADF (Bad file descriptor) [pid 580] close(19) = -1 EBADF (Bad file descriptor) [pid 580] close(20) = -1 EBADF (Bad file descriptor) [pid 580] close(21) = -1 EBADF (Bad file descriptor) [pid 580] close(22) = -1 EBADF (Bad file descriptor) [pid 580] close(23) = -1 EBADF (Bad file descriptor) [pid 580] close(24) = -1 EBADF (Bad file descriptor) [pid 580] close(25) = -1 EBADF (Bad file descriptor) [pid 580] close(26) = -1 EBADF (Bad file descriptor) [pid 580] close(27) = -1 EBADF (Bad file descriptor) [pid 580] close(28) = -1 EBADF (Bad file descriptor) [pid 580] close(29) = -1 EBADF (Bad file descriptor) [pid 580] exit_group(0) = ? [pid 580] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./282/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./282/binderfs") = 0 [pid 297] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./282/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./282/cgroup.net") = 0 [pid 297] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./282/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./282/cgroup.cpu") = 0 [pid 297] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./282/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./282/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./282") = 0 [pid 297] mkdir("./283", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 285 ./strace-static-x86_64: Process 581 attached [pid 581] set_robust_list(0x555565b1f660, 24) = 0 [pid 581] chdir("./283") = 0 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 581] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 581] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 581] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 581] write(1, "executing program\n", 18) = 18 [pid 581] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 581] close(3) = -1 EBADF (Bad file descriptor) [pid 581] close(4) = -1 EBADF (Bad file descriptor) [pid 581] close(5) = -1 EBADF (Bad file descriptor) [pid 581] close(6) = -1 EBADF (Bad file descriptor) [pid 581] close(7) = -1 EBADF (Bad file descriptor) [pid 581] close(8) = -1 EBADF (Bad file descriptor) [pid 581] close(9) = -1 EBADF (Bad file descriptor) [pid 581] close(10) = -1 EBADF (Bad file descriptor) [pid 581] close(11) = -1 EBADF (Bad file descriptor) [pid 581] close(12) = -1 EBADF (Bad file descriptor) [pid 581] close(13) = -1 EBADF (Bad file descriptor) [pid 581] close(14) = -1 EBADF (Bad file descriptor) [pid 581] close(15) = -1 EBADF (Bad file descriptor) [pid 581] close(16) = -1 EBADF (Bad file descriptor) [pid 581] close(17) = -1 EBADF (Bad file descriptor) [pid 581] close(18) = -1 EBADF (Bad file descriptor) [pid 581] close(19) = -1 EBADF (Bad file descriptor) [pid 581] close(20) = -1 EBADF (Bad file descriptor) [pid 581] close(21) = -1 EBADF (Bad file descriptor) [pid 581] close(22) = -1 EBADF (Bad file descriptor) [pid 581] close(23) = -1 EBADF (Bad file descriptor) [pid 581] close(24) = -1 EBADF (Bad file descriptor) [pid 581] close(25) = -1 EBADF (Bad file descriptor) [pid 581] close(26) = -1 EBADF (Bad file descriptor) [pid 581] close(27) = -1 EBADF (Bad file descriptor) [pid 581] close(28) = -1 EBADF (Bad file descriptor) [pid 581] close(29) = -1 EBADF (Bad file descriptor) [pid 581] exit_group(0) = ? [pid 581] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./283/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./283/binderfs") = 0 [pid 297] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./283/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./283/cgroup.net") = 0 [pid 297] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./283/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./283/cgroup.cpu") = 0 [pid 297] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./283/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./283/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./283") = 0 [pid 297] mkdir("./284", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 286 ./strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x555565b1f660, 24) = 0 [pid 582] chdir("./284") = 0 [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 582] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 582] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4) = 4 [pid 582] close(3) = 0 [pid 582] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 582] write(1, "executing program\n", 18) = 18 [ 31.053486][ T580] incfs: Error allocating mount info. -12 [ 31.059277][ T580] incfs: mount failed -12 [ 31.080590][ T581] incfs: Error allocating mount info. -12 [ 31.086384][ T581] incfs: mount failed -12 [pid 582] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 582] close(3) = -1 EBADF (Bad file descriptor) [pid 582] close(4) = -1 EBADF (Bad file descriptor) [pid 582] close(5) = -1 EBADF (Bad file descriptor) [pid 582] close(6) = -1 EBADF (Bad file descriptor) [pid 582] close(7) = -1 EBADF (Bad file descriptor) [pid 582] close(8) = -1 EBADF (Bad file descriptor) [pid 582] close(9) = -1 EBADF (Bad file descriptor) [pid 582] close(10) = -1 EBADF (Bad file descriptor) [pid 582] close(11) = -1 EBADF (Bad file descriptor) [pid 582] close(12) = -1 EBADF (Bad file descriptor) [pid 582] close(13) = -1 EBADF (Bad file descriptor) [pid 582] close(14) = -1 EBADF (Bad file descriptor) [pid 582] close(15) = -1 EBADF (Bad file descriptor) [pid 582] close(16) = -1 EBADF (Bad file descriptor) [pid 582] close(17) = -1 EBADF (Bad file descriptor) [pid 582] close(18) = -1 EBADF (Bad file descriptor) [pid 582] close(19) = -1 EBADF (Bad file descriptor) [pid 582] close(20) = -1 EBADF (Bad file descriptor) [pid 582] close(21) = -1 EBADF (Bad file descriptor) [pid 582] close(22) = -1 EBADF (Bad file descriptor) [pid 582] close(23) = -1 EBADF (Bad file descriptor) [pid 582] close(24) = -1 EBADF (Bad file descriptor) [pid 582] close(25) = -1 EBADF (Bad file descriptor) [pid 582] close(26) = -1 EBADF (Bad file descriptor) [pid 582] close(27) = -1 EBADF (Bad file descriptor) [pid 582] close(28) = -1 EBADF (Bad file descriptor) [pid 582] close(29) = -1 EBADF (Bad file descriptor) [pid 582] exit_group(0) = ? [pid 582] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./284/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./284/binderfs") = 0 [pid 297] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./284/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./284/cgroup.net") = 0 [pid 297] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./284/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./284/cgroup.cpu") = 0 [pid 297] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./284/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./284/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./284") = 0 [pid 297] mkdir("./285", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 583 attached , child_tidptr=0x555565b1f650) = 287 [pid 583] set_robust_list(0x555565b1f660, 24) = 0 [pid 583] chdir("./285") = 0 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 583] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 583] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 583] write(1, "executing program\n", 18) = 18 [pid 583] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 583] close(3) = -1 EBADF (Bad file descriptor) [pid 583] close(4) = -1 EBADF (Bad file descriptor) [pid 583] close(5) = -1 EBADF (Bad file descriptor) [pid 583] close(6) = -1 EBADF (Bad file descriptor) [pid 583] close(7) = -1 EBADF (Bad file descriptor) [pid 583] close(8) = -1 EBADF (Bad file descriptor) [pid 583] close(9) = -1 EBADF (Bad file descriptor) [pid 583] close(10) = -1 EBADF (Bad file descriptor) [pid 583] close(11) = -1 EBADF (Bad file descriptor) [pid 583] close(12) = -1 EBADF (Bad file descriptor) [pid 583] close(13) = -1 EBADF (Bad file descriptor) [pid 583] close(14) = -1 EBADF (Bad file descriptor) [pid 583] close(15) = -1 EBADF (Bad file descriptor) [pid 583] close(16) = -1 EBADF (Bad file descriptor) [pid 583] close(17) = -1 EBADF (Bad file descriptor) [pid 583] close(18) = -1 EBADF (Bad file descriptor) [pid 583] close(19) = -1 EBADF (Bad file descriptor) [pid 583] close(20) = -1 EBADF (Bad file descriptor) [pid 583] close(21) = -1 EBADF (Bad file descriptor) [pid 583] close(22) = -1 EBADF (Bad file descriptor) [pid 583] close(23) = -1 EBADF (Bad file descriptor) [pid 583] close(24) = -1 EBADF (Bad file descriptor) [pid 583] close(25) = -1 EBADF (Bad file descriptor) [pid 583] close(26) = -1 EBADF (Bad file descriptor) [pid 583] close(27) = -1 EBADF (Bad file descriptor) [pid 583] close(28) = -1 EBADF (Bad file descriptor) [pid 583] close(29) = -1 EBADF (Bad file descriptor) [pid 583] exit_group(0) = ? [pid 583] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./285/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./285/binderfs") = 0 [pid 297] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./285/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./285/cgroup.net") = 0 [pid 297] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./285/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./285/cgroup.cpu") = 0 [pid 297] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./285/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./285/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./285") = 0 [pid 297] mkdir("./286", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 288 ./strace-static-x86_64: Process 584 attached [pid 584] set_robust_list(0x555565b1f660, 24) = 0 [pid 584] chdir("./286") = 0 [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 584] setpgid(0, 0) = 0 [pid 584] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 584] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 584] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 584] write(3, "1000", 4) = 4 [pid 584] close(3) = 0 [pid 584] symlink("/dev/binderfs", "./binderfs") = 0 [pid 584] write(1, "executing program\n", 18executing program ) = 18 [ 31.104258][ T582] incfs: Error allocating mount info. -12 [ 31.110034][ T582] incfs: mount failed -12 [ 31.133688][ T583] incfs: Error allocating mount info. -12 [ 31.139489][ T583] incfs: mount failed -12 [pid 584] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 584] close(3) = -1 EBADF (Bad file descriptor) [pid 584] close(4) = -1 EBADF (Bad file descriptor) [pid 584] close(5) = -1 EBADF (Bad file descriptor) [pid 584] close(6) = -1 EBADF (Bad file descriptor) [pid 584] close(7) = -1 EBADF (Bad file descriptor) [pid 584] close(8) = -1 EBADF (Bad file descriptor) [pid 584] close(9) = -1 EBADF (Bad file descriptor) [pid 584] close(10) = -1 EBADF (Bad file descriptor) [pid 584] close(11) = -1 EBADF (Bad file descriptor) [pid 584] close(12) = -1 EBADF (Bad file descriptor) [pid 584] close(13) = -1 EBADF (Bad file descriptor) [pid 584] close(14) = -1 EBADF (Bad file descriptor) [pid 584] close(15) = -1 EBADF (Bad file descriptor) [pid 584] close(16) = -1 EBADF (Bad file descriptor) [pid 584] close(17) = -1 EBADF (Bad file descriptor) [pid 584] close(18) = -1 EBADF (Bad file descriptor) [pid 584] close(19) = -1 EBADF (Bad file descriptor) [pid 584] close(20) = -1 EBADF (Bad file descriptor) [pid 584] close(21) = -1 EBADF (Bad file descriptor) [pid 584] close(22) = -1 EBADF (Bad file descriptor) [pid 584] close(23) = -1 EBADF (Bad file descriptor) [pid 584] close(24) = -1 EBADF (Bad file descriptor) [pid 584] close(25) = -1 EBADF (Bad file descriptor) [pid 584] close(26) = -1 EBADF (Bad file descriptor) [pid 584] close(27) = -1 EBADF (Bad file descriptor) [pid 584] close(28) = -1 EBADF (Bad file descriptor) [pid 584] close(29) = -1 EBADF (Bad file descriptor) [pid 584] exit_group(0) = ? [pid 584] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./286/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./286/binderfs") = 0 [pid 297] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./286/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./286/cgroup.net") = 0 [pid 297] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./286/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./286/cgroup.cpu") = 0 [pid 297] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./286/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./286/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./286") = 0 [pid 297] mkdir("./287", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 585 attached , child_tidptr=0x555565b1f650) = 289 [pid 585] set_robust_list(0x555565b1f660, 24) = 0 [pid 585] chdir("./287") = 0 [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 585] setpgid(0, 0) = 0 [pid 585] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 585] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 585] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 585] write(3, "1000", 4) = 4 [pid 585] close(3) = 0 [pid 585] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 585] write(1, "executing program\n", 18) = 18 [pid 585] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 585] close(3) = -1 EBADF (Bad file descriptor) [pid 585] close(4) = -1 EBADF (Bad file descriptor) [pid 585] close(5) = -1 EBADF (Bad file descriptor) [pid 585] close(6) = -1 EBADF (Bad file descriptor) [pid 585] close(7) = -1 EBADF (Bad file descriptor) [pid 585] close(8) = -1 EBADF (Bad file descriptor) [pid 585] close(9) = -1 EBADF (Bad file descriptor) [pid 585] close(10) = -1 EBADF (Bad file descriptor) [pid 585] close(11) = -1 EBADF (Bad file descriptor) [pid 585] close(12) = -1 EBADF (Bad file descriptor) [pid 585] close(13) = -1 EBADF (Bad file descriptor) [pid 585] close(14) = -1 EBADF (Bad file descriptor) [pid 585] close(15) = -1 EBADF (Bad file descriptor) [pid 585] close(16) = -1 EBADF (Bad file descriptor) [pid 585] close(17) = -1 EBADF (Bad file descriptor) [pid 585] close(18) = -1 EBADF (Bad file descriptor) [pid 585] close(19) = -1 EBADF (Bad file descriptor) [pid 585] close(20) = -1 EBADF (Bad file descriptor) [pid 585] close(21) = -1 EBADF (Bad file descriptor) [pid 585] close(22) = -1 EBADF (Bad file descriptor) [pid 585] close(23) = -1 EBADF (Bad file descriptor) [pid 585] close(24) = -1 EBADF (Bad file descriptor) [pid 585] close(25) = -1 EBADF (Bad file descriptor) [pid 585] close(26) = -1 EBADF (Bad file descriptor) [pid 585] close(27) = -1 EBADF (Bad file descriptor) [pid 585] close(28) = -1 EBADF (Bad file descriptor) [pid 585] close(29) = -1 EBADF (Bad file descriptor) [pid 585] exit_group(0) = ? [pid 585] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./287/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./287/binderfs") = 0 [pid 297] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./287/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./287/cgroup.net") = 0 [pid 297] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./287/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./287/cgroup.cpu") = 0 [pid 297] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./287/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./287/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./287") = 0 [pid 297] mkdir("./288", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 586 attached [pid 586] set_robust_list(0x555565b1f660, 24) = 0 [pid 586] chdir("./288") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 290 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 586] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 586] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 586] write(1, "executing program\n", 18) = 18 [ 31.158635][ T584] incfs: Error allocating mount info. -12 [ 31.164392][ T584] incfs: mount failed -12 [ 31.182944][ T585] incfs: Error allocating mount info. -12 [ 31.188735][ T585] incfs: mount failed -12 [pid 586] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 586] close(3) = -1 EBADF (Bad file descriptor) [pid 586] close(4) = -1 EBADF (Bad file descriptor) [pid 586] close(5) = -1 EBADF (Bad file descriptor) [pid 586] close(6) = -1 EBADF (Bad file descriptor) [pid 586] close(7) = -1 EBADF (Bad file descriptor) [pid 586] close(8) = -1 EBADF (Bad file descriptor) [pid 586] close(9) = -1 EBADF (Bad file descriptor) [pid 586] close(10) = -1 EBADF (Bad file descriptor) [pid 586] close(11) = -1 EBADF (Bad file descriptor) [pid 586] close(12) = -1 EBADF (Bad file descriptor) [pid 586] close(13) = -1 EBADF (Bad file descriptor) [pid 586] close(14) = -1 EBADF (Bad file descriptor) [pid 586] close(15) = -1 EBADF (Bad file descriptor) [pid 586] close(16) = -1 EBADF (Bad file descriptor) [pid 586] close(17) = -1 EBADF (Bad file descriptor) [pid 586] close(18) = -1 EBADF (Bad file descriptor) [pid 586] close(19) = -1 EBADF (Bad file descriptor) [pid 586] close(20) = -1 EBADF (Bad file descriptor) [pid 586] close(21) = -1 EBADF (Bad file descriptor) [pid 586] close(22) = -1 EBADF (Bad file descriptor) [pid 586] close(23) = -1 EBADF (Bad file descriptor) [pid 586] close(24) = -1 EBADF (Bad file descriptor) [pid 586] close(25) = -1 EBADF (Bad file descriptor) [pid 586] close(26) = -1 EBADF (Bad file descriptor) [pid 586] close(27) = -1 EBADF (Bad file descriptor) [pid 586] close(28) = -1 EBADF (Bad file descriptor) [pid 586] close(29) = -1 EBADF (Bad file descriptor) [pid 586] exit_group(0) = ? [pid 586] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./288/binderfs") = 0 [pid 297] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./288/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./288/cgroup.net") = 0 [pid 297] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./288/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./288/cgroup.cpu") = 0 [pid 297] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./288/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./288/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./288") = 0 [pid 297] mkdir("./289", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 587 attached , child_tidptr=0x555565b1f650) = 291 [pid 587] set_robust_list(0x555565b1f660, 24) = 0 [pid 587] chdir("./289") = 0 [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 587] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 587] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3executing program ) = 0 [pid 587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 587] write(1, "executing program\n", 18) = 18 [pid 587] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 587] close(3) = -1 EBADF (Bad file descriptor) [pid 587] close(4) = -1 EBADF (Bad file descriptor) [pid 587] close(5) = -1 EBADF (Bad file descriptor) [pid 587] close(6) = -1 EBADF (Bad file descriptor) [pid 587] close(7) = -1 EBADF (Bad file descriptor) [pid 587] close(8) = -1 EBADF (Bad file descriptor) [pid 587] close(9) = -1 EBADF (Bad file descriptor) [pid 587] close(10) = -1 EBADF (Bad file descriptor) [pid 587] close(11) = -1 EBADF (Bad file descriptor) [pid 587] close(12) = -1 EBADF (Bad file descriptor) [pid 587] close(13) = -1 EBADF (Bad file descriptor) [pid 587] close(14) = -1 EBADF (Bad file descriptor) [pid 587] close(15) = -1 EBADF (Bad file descriptor) [pid 587] close(16) = -1 EBADF (Bad file descriptor) [pid 587] close(17) = -1 EBADF (Bad file descriptor) [pid 587] close(18) = -1 EBADF (Bad file descriptor) [pid 587] close(19) = -1 EBADF (Bad file descriptor) [pid 587] close(20) = -1 EBADF (Bad file descriptor) [pid 587] close(21) = -1 EBADF (Bad file descriptor) [pid 587] close(22) = -1 EBADF (Bad file descriptor) [pid 587] close(23) = -1 EBADF (Bad file descriptor) [pid 587] close(24) = -1 EBADF (Bad file descriptor) [pid 587] close(25) = -1 EBADF (Bad file descriptor) [pid 587] close(26) = -1 EBADF (Bad file descriptor) [pid 587] close(27) = -1 EBADF (Bad file descriptor) [pid 587] close(28) = -1 EBADF (Bad file descriptor) [pid 587] close(29) = -1 EBADF (Bad file descriptor) [pid 587] exit_group(0) = ? [pid 587] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./289/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./289/binderfs") = 0 [pid 297] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./289/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./289/cgroup.net") = 0 [pid 297] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./289/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./289/cgroup.cpu") = 0 [pid 297] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./289/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./289/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./289") = 0 [pid 297] mkdir("./290", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 292 ./strace-static-x86_64: Process 588 attached [pid 588] set_robust_list(0x555565b1f660, 24) = 0 [pid 588] chdir("./290") = 0 [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 588] setpgid(0, 0) = 0 [pid 588] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 588] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 588] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 588] close(3) = 0 [pid 588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 588] write(1, "executing program\n", 18executing program ) = 18 [ 31.211401][ T586] incfs: Error allocating mount info. -12 [ 31.217156][ T586] incfs: mount failed -12 [ 31.238683][ T587] incfs: Error allocating mount info. -12 [ 31.244429][ T587] incfs: mount failed -12 [pid 588] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 588] close(3) = -1 EBADF (Bad file descriptor) [pid 588] close(4) = -1 EBADF (Bad file descriptor) [pid 588] close(5) = -1 EBADF (Bad file descriptor) [pid 588] close(6) = -1 EBADF (Bad file descriptor) [pid 588] close(7) = -1 EBADF (Bad file descriptor) [pid 588] close(8) = -1 EBADF (Bad file descriptor) [pid 588] close(9) = -1 EBADF (Bad file descriptor) [pid 588] close(10) = -1 EBADF (Bad file descriptor) [pid 588] close(11) = -1 EBADF (Bad file descriptor) [pid 588] close(12) = -1 EBADF (Bad file descriptor) [pid 588] close(13) = -1 EBADF (Bad file descriptor) [pid 588] close(14) = -1 EBADF (Bad file descriptor) [pid 588] close(15) = -1 EBADF (Bad file descriptor) [pid 588] close(16) = -1 EBADF (Bad file descriptor) [pid 588] close(17) = -1 EBADF (Bad file descriptor) [pid 588] close(18) = -1 EBADF (Bad file descriptor) [pid 588] close(19) = -1 EBADF (Bad file descriptor) [pid 588] close(20) = -1 EBADF (Bad file descriptor) [pid 588] close(21) = -1 EBADF (Bad file descriptor) [pid 588] close(22) = -1 EBADF (Bad file descriptor) [pid 588] close(23) = -1 EBADF (Bad file descriptor) [pid 588] close(24) = -1 EBADF (Bad file descriptor) [pid 588] close(25) = -1 EBADF (Bad file descriptor) [pid 588] close(26) = -1 EBADF (Bad file descriptor) [pid 588] close(27) = -1 EBADF (Bad file descriptor) [pid 588] close(28) = -1 EBADF (Bad file descriptor) [pid 588] close(29) = -1 EBADF (Bad file descriptor) [pid 588] exit_group(0) = ? [pid 588] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./290/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./290/binderfs") = 0 [pid 297] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./290/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./290/cgroup.net") = 0 [pid 297] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./290/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./290/cgroup.cpu") = 0 [pid 297] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./290/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./290/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./290") = 0 [pid 297] mkdir("./291", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 589 attached , child_tidptr=0x555565b1f650) = 293 [pid 589] set_robust_list(0x555565b1f660, 24) = 0 [pid 589] chdir("./291") = 0 [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 589] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 589] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 589] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 589] write(1, "executing program\n", 18) = 18 [pid 589] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 589] close(3) = -1 EBADF (Bad file descriptor) [pid 589] close(4) = -1 EBADF (Bad file descriptor) [pid 589] close(5) = -1 EBADF (Bad file descriptor) [pid 589] close(6) = -1 EBADF (Bad file descriptor) [pid 589] close(7) = -1 EBADF (Bad file descriptor) [pid 589] close(8) = -1 EBADF (Bad file descriptor) [pid 589] close(9) = -1 EBADF (Bad file descriptor) [pid 589] close(10) = -1 EBADF (Bad file descriptor) [pid 589] close(11) = -1 EBADF (Bad file descriptor) [pid 589] close(12) = -1 EBADF (Bad file descriptor) [pid 589] close(13) = -1 EBADF (Bad file descriptor) [pid 589] close(14) = -1 EBADF (Bad file descriptor) [pid 589] close(15) = -1 EBADF (Bad file descriptor) [pid 589] close(16) = -1 EBADF (Bad file descriptor) [pid 589] close(17) = -1 EBADF (Bad file descriptor) [pid 589] close(18) = -1 EBADF (Bad file descriptor) [pid 589] close(19) = -1 EBADF (Bad file descriptor) [pid 589] close(20) = -1 EBADF (Bad file descriptor) [pid 589] close(21) = -1 EBADF (Bad file descriptor) [pid 589] close(22) = -1 EBADF (Bad file descriptor) [pid 589] close(23) = -1 EBADF (Bad file descriptor) [pid 589] close(24) = -1 EBADF (Bad file descriptor) [pid 589] close(25) = -1 EBADF (Bad file descriptor) [pid 589] close(26) = -1 EBADF (Bad file descriptor) [pid 589] close(27) = -1 EBADF (Bad file descriptor) [pid 589] close(28) = -1 EBADF (Bad file descriptor) [pid 589] close(29) = -1 EBADF (Bad file descriptor) [pid 589] exit_group(0) = ? [pid 589] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./291/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./291/binderfs") = 0 [pid 297] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./291/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./291/cgroup.net") = 0 [pid 297] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./291/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./291/cgroup.cpu") = 0 [pid 297] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./291/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./291/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./291") = 0 [pid 297] mkdir("./292", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 590 attached , child_tidptr=0x555565b1f650) = 294 [pid 590] set_robust_list(0x555565b1f660, 24) = 0 [pid 590] chdir("./292") = 0 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 590] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 590] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 590] write(1, "executing program\n", 18) = 18 [ 31.264030][ T588] incfs: Error allocating mount info. -12 [ 31.269817][ T588] incfs: mount failed -12 [ 31.292808][ T589] incfs: Error allocating mount info. -12 [ 31.298605][ T589] incfs: mount failed -12 [pid 590] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 590] close(3) = -1 EBADF (Bad file descriptor) [pid 590] close(4) = -1 EBADF (Bad file descriptor) [pid 590] close(5) = -1 EBADF (Bad file descriptor) [pid 590] close(6) = -1 EBADF (Bad file descriptor) [pid 590] close(7) = -1 EBADF (Bad file descriptor) [pid 590] close(8) = -1 EBADF (Bad file descriptor) [pid 590] close(9) = -1 EBADF (Bad file descriptor) [pid 590] close(10) = -1 EBADF (Bad file descriptor) [pid 590] close(11) = -1 EBADF (Bad file descriptor) [pid 590] close(12) = -1 EBADF (Bad file descriptor) [pid 590] close(13) = -1 EBADF (Bad file descriptor) [pid 590] close(14) = -1 EBADF (Bad file descriptor) [pid 590] close(15) = -1 EBADF (Bad file descriptor) [pid 590] close(16) = -1 EBADF (Bad file descriptor) [pid 590] close(17) = -1 EBADF (Bad file descriptor) [pid 590] close(18) = -1 EBADF (Bad file descriptor) [pid 590] close(19) = -1 EBADF (Bad file descriptor) [pid 590] close(20) = -1 EBADF (Bad file descriptor) [pid 590] close(21) = -1 EBADF (Bad file descriptor) [pid 590] close(22) = -1 EBADF (Bad file descriptor) [pid 590] close(23) = -1 EBADF (Bad file descriptor) [pid 590] close(24) = -1 EBADF (Bad file descriptor) [pid 590] close(25) = -1 EBADF (Bad file descriptor) [pid 590] close(26) = -1 EBADF (Bad file descriptor) [pid 590] close(27) = -1 EBADF (Bad file descriptor) [pid 590] close(28) = -1 EBADF (Bad file descriptor) [pid 590] close(29) = -1 EBADF (Bad file descriptor) [pid 590] exit_group(0) = ? [pid 590] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./292/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./292/binderfs") = 0 [pid 297] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./292/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./292/cgroup.net") = 0 [pid 297] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./292/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./292/cgroup.cpu") = 0 [pid 297] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./292/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./292/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./292") = 0 [pid 297] mkdir("./293", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 295 ./strace-static-x86_64: Process 591 attached [pid 591] set_robust_list(0x555565b1f660, 24) = 0 [pid 591] chdir("./293") = 0 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 591] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 591] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 591] write(1, "executing program\n", 18executing program ) = 18 [pid 591] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 591] close(3) = -1 EBADF (Bad file descriptor) [pid 591] close(4) = -1 EBADF (Bad file descriptor) [pid 591] close(5) = -1 EBADF (Bad file descriptor) [pid 591] close(6) = -1 EBADF (Bad file descriptor) [pid 591] close(7) = -1 EBADF (Bad file descriptor) [pid 591] close(8) = -1 EBADF (Bad file descriptor) [pid 591] close(9) = -1 EBADF (Bad file descriptor) [pid 591] close(10) = -1 EBADF (Bad file descriptor) [pid 591] close(11) = -1 EBADF (Bad file descriptor) [pid 591] close(12) = -1 EBADF (Bad file descriptor) [pid 591] close(13) = -1 EBADF (Bad file descriptor) [pid 591] close(14) = -1 EBADF (Bad file descriptor) [pid 591] close(15) = -1 EBADF (Bad file descriptor) [pid 591] close(16) = -1 EBADF (Bad file descriptor) [pid 591] close(17) = -1 EBADF (Bad file descriptor) [pid 591] close(18) = -1 EBADF (Bad file descriptor) [pid 591] close(19) = -1 EBADF (Bad file descriptor) [pid 591] close(20) = -1 EBADF (Bad file descriptor) [pid 591] close(21) = -1 EBADF (Bad file descriptor) [pid 591] close(22) = -1 EBADF (Bad file descriptor) [pid 591] close(23) = -1 EBADF (Bad file descriptor) [pid 591] close(24) = -1 EBADF (Bad file descriptor) [pid 591] close(25) = -1 EBADF (Bad file descriptor) [pid 591] close(26) = -1 EBADF (Bad file descriptor) [pid 591] close(27) = -1 EBADF (Bad file descriptor) [pid 591] close(28) = -1 EBADF (Bad file descriptor) [pid 591] close(29) = -1 EBADF (Bad file descriptor) [pid 591] exit_group(0) = ? [pid 591] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./293/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./293/binderfs") = 0 [pid 297] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./293/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./293/cgroup.net") = 0 [pid 297] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./293/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./293/cgroup.cpu") = 0 [pid 297] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./293/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./293/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./293") = 0 [pid 297] mkdir("./294", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 592 attached , child_tidptr=0x555565b1f650) = 296 [pid 592] set_robust_list(0x555565b1f660, 24) = 0 [pid 592] chdir("./294") = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 592] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 592] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 592] write(1, "executing program\n", 18) = 18 [ 31.320927][ T590] incfs: Error allocating mount info. -12 [ 31.326666][ T590] incfs: mount failed -12 [ 31.345789][ T591] incfs: Error allocating mount info. -12 [ 31.351586][ T591] incfs: mount failed -12 [pid 592] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 592] close(3) = -1 EBADF (Bad file descriptor) [pid 592] close(4) = -1 EBADF (Bad file descriptor) [pid 592] close(5) = -1 EBADF (Bad file descriptor) [pid 592] close(6) = -1 EBADF (Bad file descriptor) [pid 592] close(7) = -1 EBADF (Bad file descriptor) [pid 592] close(8) = -1 EBADF (Bad file descriptor) [pid 592] close(9) = -1 EBADF (Bad file descriptor) [pid 592] close(10) = -1 EBADF (Bad file descriptor) [pid 592] close(11) = -1 EBADF (Bad file descriptor) [pid 592] close(12) = -1 EBADF (Bad file descriptor) [pid 592] close(13) = -1 EBADF (Bad file descriptor) [pid 592] close(14) = -1 EBADF (Bad file descriptor) [pid 592] close(15) = -1 EBADF (Bad file descriptor) [pid 592] close(16) = -1 EBADF (Bad file descriptor) [pid 592] close(17) = -1 EBADF (Bad file descriptor) [pid 592] close(18) = -1 EBADF (Bad file descriptor) [pid 592] close(19) = -1 EBADF (Bad file descriptor) [pid 592] close(20) = -1 EBADF (Bad file descriptor) [pid 592] close(21) = -1 EBADF (Bad file descriptor) [pid 592] close(22) = -1 EBADF (Bad file descriptor) [pid 592] close(23) = -1 EBADF (Bad file descriptor) [pid 592] close(24) = -1 EBADF (Bad file descriptor) [pid 592] close(25) = -1 EBADF (Bad file descriptor) [pid 592] close(26) = -1 EBADF (Bad file descriptor) [pid 592] close(27) = -1 EBADF (Bad file descriptor) [pid 592] close(28) = -1 EBADF (Bad file descriptor) [pid 592] close(29) = -1 EBADF (Bad file descriptor) [pid 592] exit_group(0) = ? [pid 592] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./294/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./294/binderfs") = 0 [pid 297] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./294/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./294/cgroup.net") = 0 [pid 297] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./294/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./294/cgroup.cpu") = 0 [pid 297] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./294/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./294/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./294") = 0 [pid 297] mkdir("./295", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 297 ./strace-static-x86_64: Process 593 attached [pid 593] set_robust_list(0x555565b1f660, 24) = 0 [pid 593] chdir("./295") = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 593] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 593] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4) = 4 [pid 593] close(3) = 0 [pid 593] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 593] write(1, "executing program\n", 18) = 18 [pid 593] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 593] close(3) = -1 EBADF (Bad file descriptor) [pid 593] close(4) = -1 EBADF (Bad file descriptor) [pid 593] close(5) = -1 EBADF (Bad file descriptor) [pid 593] close(6) = -1 EBADF (Bad file descriptor) [pid 593] close(7) = -1 EBADF (Bad file descriptor) [pid 593] close(8) = -1 EBADF (Bad file descriptor) [pid 593] close(9) = -1 EBADF (Bad file descriptor) [pid 593] close(10) = -1 EBADF (Bad file descriptor) [pid 593] close(11) = -1 EBADF (Bad file descriptor) [pid 593] close(12) = -1 EBADF (Bad file descriptor) [pid 593] close(13) = -1 EBADF (Bad file descriptor) [pid 593] close(14) = -1 EBADF (Bad file descriptor) [pid 593] close(15) = -1 EBADF (Bad file descriptor) [pid 593] close(16) = -1 EBADF (Bad file descriptor) [pid 593] close(17) = -1 EBADF (Bad file descriptor) [pid 593] close(18) = -1 EBADF (Bad file descriptor) [pid 593] close(19) = -1 EBADF (Bad file descriptor) [pid 593] close(20) = -1 EBADF (Bad file descriptor) [pid 593] close(21) = -1 EBADF (Bad file descriptor) [pid 593] close(22) = -1 EBADF (Bad file descriptor) [pid 593] close(23) = -1 EBADF (Bad file descriptor) [pid 593] close(24) = -1 EBADF (Bad file descriptor) [pid 593] close(25) = -1 EBADF (Bad file descriptor) [pid 593] close(26) = -1 EBADF (Bad file descriptor) [pid 593] close(27) = -1 EBADF (Bad file descriptor) [pid 593] close(28) = -1 EBADF (Bad file descriptor) [pid 593] close(29) = -1 EBADF (Bad file descriptor) [pid 593] exit_group(0) = ? [pid 593] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./295/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./295/binderfs") = 0 [pid 297] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./295/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./295/cgroup.net") = 0 [pid 297] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./295/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./295/cgroup.cpu") = 0 [pid 297] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./295/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./295/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./295") = 0 [pid 297] mkdir("./296", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 298 ./strace-static-x86_64: Process 594 attached [pid 594] set_robust_list(0x555565b1f660, 24) = 0 [pid 594] chdir("./296") = 0 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 594] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 594] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 594] write(1, "executing program\n", 18executing program ) = 18 [ 31.372952][ T592] incfs: Error allocating mount info. -12 [ 31.378732][ T592] incfs: mount failed -12 [ 31.400960][ T593] incfs: Error allocating mount info. -12 [ 31.406705][ T593] incfs: mount failed -12 [pid 594] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 594] close(3) = -1 EBADF (Bad file descriptor) [pid 594] close(4) = -1 EBADF (Bad file descriptor) [pid 594] close(5) = -1 EBADF (Bad file descriptor) [pid 594] close(6) = -1 EBADF (Bad file descriptor) [pid 594] close(7) = -1 EBADF (Bad file descriptor) [pid 594] close(8) = -1 EBADF (Bad file descriptor) [pid 594] close(9) = -1 EBADF (Bad file descriptor) [pid 594] close(10) = -1 EBADF (Bad file descriptor) [pid 594] close(11) = -1 EBADF (Bad file descriptor) [pid 594] close(12) = -1 EBADF (Bad file descriptor) [pid 594] close(13) = -1 EBADF (Bad file descriptor) [pid 594] close(14) = -1 EBADF (Bad file descriptor) [pid 594] close(15) = -1 EBADF (Bad file descriptor) [pid 594] close(16) = -1 EBADF (Bad file descriptor) [pid 594] close(17) = -1 EBADF (Bad file descriptor) [pid 594] close(18) = -1 EBADF (Bad file descriptor) [pid 594] close(19) = -1 EBADF (Bad file descriptor) [pid 594] close(20) = -1 EBADF (Bad file descriptor) [pid 594] close(21) = -1 EBADF (Bad file descriptor) [pid 594] close(22) = -1 EBADF (Bad file descriptor) [pid 594] close(23) = -1 EBADF (Bad file descriptor) [pid 594] close(24) = -1 EBADF (Bad file descriptor) [pid 594] close(25) = -1 EBADF (Bad file descriptor) [pid 594] close(26) = -1 EBADF (Bad file descriptor) [pid 594] close(27) = -1 EBADF (Bad file descriptor) [pid 594] close(28) = -1 EBADF (Bad file descriptor) [pid 594] close(29) = -1 EBADF (Bad file descriptor) [pid 594] exit_group(0) = ? [pid 594] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./296/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./296/binderfs") = 0 [pid 297] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./296/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./296/cgroup.net") = 0 [pid 297] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./296/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./296/cgroup.cpu") = 0 [pid 297] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./296/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./296/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./296") = 0 [pid 297] mkdir("./297", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 299 ./strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x555565b1f660, 24) = 0 [pid 595] chdir("./297") = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 595] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 595] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 595] write(1, "executing program\n", 18) = 18 [pid 595] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 595] close(3) = -1 EBADF (Bad file descriptor) [pid 595] close(4) = -1 EBADF (Bad file descriptor) [pid 595] close(5) = -1 EBADF (Bad file descriptor) [pid 595] close(6) = -1 EBADF (Bad file descriptor) [pid 595] close(7) = -1 EBADF (Bad file descriptor) [pid 595] close(8) = -1 EBADF (Bad file descriptor) [pid 595] close(9) = -1 EBADF (Bad file descriptor) [pid 595] close(10) = -1 EBADF (Bad file descriptor) [pid 595] close(11) = -1 EBADF (Bad file descriptor) [pid 595] close(12) = -1 EBADF (Bad file descriptor) [pid 595] close(13) = -1 EBADF (Bad file descriptor) [pid 595] close(14) = -1 EBADF (Bad file descriptor) [pid 595] close(15) = -1 EBADF (Bad file descriptor) [pid 595] close(16) = -1 EBADF (Bad file descriptor) [pid 595] close(17) = -1 EBADF (Bad file descriptor) [pid 595] close(18) = -1 EBADF (Bad file descriptor) [pid 595] close(19) = -1 EBADF (Bad file descriptor) [pid 595] close(20) = -1 EBADF (Bad file descriptor) [pid 595] close(21) = -1 EBADF (Bad file descriptor) [pid 595] close(22) = -1 EBADF (Bad file descriptor) [pid 595] close(23) = -1 EBADF (Bad file descriptor) [pid 595] close(24) = -1 EBADF (Bad file descriptor) [pid 595] close(25) = -1 EBADF (Bad file descriptor) [pid 595] close(26) = -1 EBADF (Bad file descriptor) [pid 595] close(27) = -1 EBADF (Bad file descriptor) [pid 595] close(28) = -1 EBADF (Bad file descriptor) [pid 595] close(29) = -1 EBADF (Bad file descriptor) [pid 595] exit_group(0) = ? [pid 595] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./297/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./297/binderfs") = 0 [pid 297] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./297/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./297/cgroup.net") = 0 [pid 297] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./297/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./297/cgroup.cpu") = 0 [pid 297] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./297/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./297/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./297") = 0 [pid 297] mkdir("./298", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 300 ./strace-static-x86_64: Process 596 attached [pid 596] set_robust_list(0x555565b1f660, 24) = 0 [pid 596] chdir("./298") = 0 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 596] setpgid(0, 0) = 0 [pid 596] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 596] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 596] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 596] write(3, "1000", 4) = 4 [pid 596] close(3) = 0 [pid 596] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 596] write(1, "executing program\n", 18) = 18 [ 31.428616][ T594] incfs: Error allocating mount info. -12 [ 31.434360][ T594] incfs: mount failed -12 [ 31.456315][ T595] incfs: Error allocating mount info. -12 [ 31.462148][ T595] incfs: mount failed -12 [pid 596] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 596] close(3) = -1 EBADF (Bad file descriptor) [pid 596] close(4) = -1 EBADF (Bad file descriptor) [pid 596] close(5) = -1 EBADF (Bad file descriptor) [pid 596] close(6) = -1 EBADF (Bad file descriptor) [pid 596] close(7) = -1 EBADF (Bad file descriptor) [pid 596] close(8) = -1 EBADF (Bad file descriptor) [pid 596] close(9) = -1 EBADF (Bad file descriptor) [pid 596] close(10) = -1 EBADF (Bad file descriptor) [pid 596] close(11) = -1 EBADF (Bad file descriptor) [pid 596] close(12) = -1 EBADF (Bad file descriptor) [pid 596] close(13) = -1 EBADF (Bad file descriptor) [pid 596] close(14) = -1 EBADF (Bad file descriptor) [pid 596] close(15) = -1 EBADF (Bad file descriptor) [pid 596] close(16) = -1 EBADF (Bad file descriptor) [pid 596] close(17) = -1 EBADF (Bad file descriptor) [pid 596] close(18) = -1 EBADF (Bad file descriptor) [pid 596] close(19) = -1 EBADF (Bad file descriptor) [pid 596] close(20) = -1 EBADF (Bad file descriptor) [pid 596] close(21) = -1 EBADF (Bad file descriptor) [pid 596] close(22) = -1 EBADF (Bad file descriptor) [pid 596] close(23) = -1 EBADF (Bad file descriptor) [pid 596] close(24) = -1 EBADF (Bad file descriptor) [pid 596] close(25) = -1 EBADF (Bad file descriptor) [pid 596] close(26) = -1 EBADF (Bad file descriptor) [pid 596] close(27) = -1 EBADF (Bad file descriptor) [pid 596] close(28) = -1 EBADF (Bad file descriptor) [pid 596] close(29) = -1 EBADF (Bad file descriptor) [pid 596] exit_group(0) = ? [pid 596] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./298/binderfs") = 0 [pid 297] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./298/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./298/cgroup.net") = 0 [pid 297] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./298/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./298/cgroup.cpu") = 0 [pid 297] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./298/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./298/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./298") = 0 [pid 297] mkdir("./299", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 301 ./strace-static-x86_64: Process 597 attached [pid 597] set_robust_list(0x555565b1f660, 24) = 0 [pid 597] chdir("./299") = 0 [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 597] setpgid(0, 0) = 0 [pid 597] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 597] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 597] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3) = 0 [pid 597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 597] write(1, "executing program\n", 18executing program ) = 18 [pid 597] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 597] close(3) = -1 EBADF (Bad file descriptor) [pid 597] close(4) = -1 EBADF (Bad file descriptor) [pid 597] close(5) = -1 EBADF (Bad file descriptor) [pid 597] close(6) = -1 EBADF (Bad file descriptor) [pid 597] close(7) = -1 EBADF (Bad file descriptor) [pid 597] close(8) = -1 EBADF (Bad file descriptor) [pid 597] close(9) = -1 EBADF (Bad file descriptor) [pid 597] close(10) = -1 EBADF (Bad file descriptor) [pid 597] close(11) = -1 EBADF (Bad file descriptor) [pid 597] close(12) = -1 EBADF (Bad file descriptor) [pid 597] close(13) = -1 EBADF (Bad file descriptor) [pid 597] close(14) = -1 EBADF (Bad file descriptor) [pid 597] close(15) = -1 EBADF (Bad file descriptor) [pid 597] close(16) = -1 EBADF (Bad file descriptor) [pid 597] close(17) = -1 EBADF (Bad file descriptor) [pid 597] close(18) = -1 EBADF (Bad file descriptor) [pid 597] close(19) = -1 EBADF (Bad file descriptor) [pid 597] close(20) = -1 EBADF (Bad file descriptor) [pid 597] close(21) = -1 EBADF (Bad file descriptor) [pid 597] close(22) = -1 EBADF (Bad file descriptor) [pid 597] close(23) = -1 EBADF (Bad file descriptor) [pid 597] close(24) = -1 EBADF (Bad file descriptor) [pid 597] close(25) = -1 EBADF (Bad file descriptor) [pid 597] close(26) = -1 EBADF (Bad file descriptor) [pid 597] close(27) = -1 EBADF (Bad file descriptor) [pid 597] close(28) = -1 EBADF (Bad file descriptor) [pid 597] close(29) = -1 EBADF (Bad file descriptor) [pid 597] exit_group(0) = ? [pid 597] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./299/binderfs") = 0 [pid 297] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./299/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./299/cgroup.net") = 0 [pid 297] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./299/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./299/cgroup.cpu") = 0 [pid 297] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./299/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./299") = 0 [pid 297] mkdir("./300", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 598 attached , child_tidptr=0x555565b1f650) = 302 [pid 598] set_robust_list(0x555565b1f660, 24) = 0 [pid 598] chdir("./300") = 0 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 598] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 598] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 598] write(3, "1000", 4) = 4 [pid 598] close(3) = 0 [pid 598] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 598] write(1, "executing program\n", 18) = 18 [ 31.485404][ T596] incfs: Error allocating mount info. -12 [ 31.491179][ T596] incfs: mount failed -12 [ 31.514157][ T597] incfs: Error allocating mount info. -12 [ 31.519934][ T597] incfs: mount failed -12 [pid 598] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 598] close(3) = -1 EBADF (Bad file descriptor) [pid 598] close(4) = -1 EBADF (Bad file descriptor) [pid 598] close(5) = -1 EBADF (Bad file descriptor) [pid 598] close(6) = -1 EBADF (Bad file descriptor) [pid 598] close(7) = -1 EBADF (Bad file descriptor) [pid 598] close(8) = -1 EBADF (Bad file descriptor) [pid 598] close(9) = -1 EBADF (Bad file descriptor) [pid 598] close(10) = -1 EBADF (Bad file descriptor) [pid 598] close(11) = -1 EBADF (Bad file descriptor) [pid 598] close(12) = -1 EBADF (Bad file descriptor) [pid 598] close(13) = -1 EBADF (Bad file descriptor) [pid 598] close(14) = -1 EBADF (Bad file descriptor) [pid 598] close(15) = -1 EBADF (Bad file descriptor) [pid 598] close(16) = -1 EBADF (Bad file descriptor) [pid 598] close(17) = -1 EBADF (Bad file descriptor) [pid 598] close(18) = -1 EBADF (Bad file descriptor) [pid 598] close(19) = -1 EBADF (Bad file descriptor) [pid 598] close(20) = -1 EBADF (Bad file descriptor) [pid 598] close(21) = -1 EBADF (Bad file descriptor) [pid 598] close(22) = -1 EBADF (Bad file descriptor) [pid 598] close(23) = -1 EBADF (Bad file descriptor) [pid 598] close(24) = -1 EBADF (Bad file descriptor) [pid 598] close(25) = -1 EBADF (Bad file descriptor) [pid 598] close(26) = -1 EBADF (Bad file descriptor) [pid 598] close(27) = -1 EBADF (Bad file descriptor) [pid 598] close(28) = -1 EBADF (Bad file descriptor) [pid 598] close(29) = -1 EBADF (Bad file descriptor) [pid 598] exit_group(0) = ? [pid 598] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./300/binderfs") = 0 [pid 297] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./300/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./300/cgroup.net") = 0 [pid 297] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./300/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./300/cgroup.cpu") = 0 [pid 297] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./300/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./300/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./300") = 0 [pid 297] mkdir("./301", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 599 attached , child_tidptr=0x555565b1f650) = 303 [pid 599] set_robust_list(0x555565b1f660, 24) = 0 [pid 599] chdir("./301") = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 599] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 599] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 [pid 599] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 599] write(1, "executing program\n", 18) = 18 [pid 599] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 599] close(3) = -1 EBADF (Bad file descriptor) [pid 599] close(4) = -1 EBADF (Bad file descriptor) [pid 599] close(5) = -1 EBADF (Bad file descriptor) [pid 599] close(6) = -1 EBADF (Bad file descriptor) [pid 599] close(7) = -1 EBADF (Bad file descriptor) [pid 599] close(8) = -1 EBADF (Bad file descriptor) [pid 599] close(9) = -1 EBADF (Bad file descriptor) [pid 599] close(10) = -1 EBADF (Bad file descriptor) [pid 599] close(11) = -1 EBADF (Bad file descriptor) [pid 599] close(12) = -1 EBADF (Bad file descriptor) [pid 599] close(13) = -1 EBADF (Bad file descriptor) [pid 599] close(14) = -1 EBADF (Bad file descriptor) [pid 599] close(15) = -1 EBADF (Bad file descriptor) [pid 599] close(16) = -1 EBADF (Bad file descriptor) [pid 599] close(17) = -1 EBADF (Bad file descriptor) [pid 599] close(18) = -1 EBADF (Bad file descriptor) [pid 599] close(19) = -1 EBADF (Bad file descriptor) [pid 599] close(20) = -1 EBADF (Bad file descriptor) [pid 599] close(21) = -1 EBADF (Bad file descriptor) [pid 599] close(22) = -1 EBADF (Bad file descriptor) [pid 599] close(23) = -1 EBADF (Bad file descriptor) [pid 599] close(24) = -1 EBADF (Bad file descriptor) [pid 599] close(25) = -1 EBADF (Bad file descriptor) [pid 599] close(26) = -1 EBADF (Bad file descriptor) [pid 599] close(27) = -1 EBADF (Bad file descriptor) [pid 599] close(28) = -1 EBADF (Bad file descriptor) [pid 599] close(29) = -1 EBADF (Bad file descriptor) [pid 599] exit_group(0) = ? [pid 599] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./301/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./301/binderfs") = 0 [pid 297] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./301/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./301/cgroup.net") = 0 [pid 297] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./301/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./301/cgroup.cpu") = 0 [pid 297] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./301/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./301/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./301") = 0 [pid 297] mkdir("./302", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 304 ./strace-static-x86_64: Process 600 attached [pid 600] set_robust_list(0x555565b1f660, 24) = 0 [pid 600] chdir("./302") = 0 [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 600] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 600] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [ 31.542283][ T598] incfs: Error allocating mount info. -12 [ 31.548090][ T598] incfs: mount failed -12 [ 31.569217][ T599] incfs: Error allocating mount info. -12 [ 31.574952][ T599] incfs: mount failed -12 [pid 600] symlink("/dev/binderfs", "./binderfs") = 0 [pid 600] write(1, "executing program\n", 18executing program ) = 18 [pid 600] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 600] close(3) = -1 EBADF (Bad file descriptor) [pid 600] close(4) = -1 EBADF (Bad file descriptor) [pid 600] close(5) = -1 EBADF (Bad file descriptor) [pid 600] close(6) = -1 EBADF (Bad file descriptor) [pid 600] close(7) = -1 EBADF (Bad file descriptor) [pid 600] close(8) = -1 EBADF (Bad file descriptor) [pid 600] close(9) = -1 EBADF (Bad file descriptor) [pid 600] close(10) = -1 EBADF (Bad file descriptor) [pid 600] close(11) = -1 EBADF (Bad file descriptor) [pid 600] close(12) = -1 EBADF (Bad file descriptor) [pid 600] close(13) = -1 EBADF (Bad file descriptor) [pid 600] close(14) = -1 EBADF (Bad file descriptor) [pid 600] close(15) = -1 EBADF (Bad file descriptor) [pid 600] close(16) = -1 EBADF (Bad file descriptor) [pid 600] close(17) = -1 EBADF (Bad file descriptor) [pid 600] close(18) = -1 EBADF (Bad file descriptor) [pid 600] close(19) = -1 EBADF (Bad file descriptor) [pid 600] close(20) = -1 EBADF (Bad file descriptor) [pid 600] close(21) = -1 EBADF (Bad file descriptor) [pid 600] close(22) = -1 EBADF (Bad file descriptor) [pid 600] close(23) = -1 EBADF (Bad file descriptor) [pid 600] close(24) = -1 EBADF (Bad file descriptor) [pid 600] close(25) = -1 EBADF (Bad file descriptor) [pid 600] close(26) = -1 EBADF (Bad file descriptor) [pid 600] close(27) = -1 EBADF (Bad file descriptor) [pid 600] close(28) = -1 EBADF (Bad file descriptor) [pid 600] close(29) = -1 EBADF (Bad file descriptor) [pid 600] exit_group(0) = ? [pid 600] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./302/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./302/binderfs") = 0 [pid 297] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./302/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./302/cgroup.net") = 0 [pid 297] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./302/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./302/cgroup.cpu") = 0 [pid 297] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./302/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./302/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./302") = 0 [pid 297] mkdir("./303", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 601 attached , child_tidptr=0x555565b1f650) = 305 [pid 601] set_robust_list(0x555565b1f660, 24) = 0 [pid 601] chdir("./303") = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 601] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 601] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 601] write(1, "executing program\n", 18) = 18 [pid 601] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 601] close(3) = -1 EBADF (Bad file descriptor) [pid 601] close(4) = -1 EBADF (Bad file descriptor) [pid 601] close(5) = -1 EBADF (Bad file descriptor) [pid 601] close(6) = -1 EBADF (Bad file descriptor) [pid 601] close(7) = -1 EBADF (Bad file descriptor) [pid 601] close(8) = -1 EBADF (Bad file descriptor) [pid 601] close(9) = -1 EBADF (Bad file descriptor) [pid 601] close(10) = -1 EBADF (Bad file descriptor) [pid 601] close(11) = -1 EBADF (Bad file descriptor) [pid 601] close(12) = -1 EBADF (Bad file descriptor) [pid 601] close(13) = -1 EBADF (Bad file descriptor) [pid 601] close(14) = -1 EBADF (Bad file descriptor) [pid 601] close(15) = -1 EBADF (Bad file descriptor) [pid 601] close(16) = -1 EBADF (Bad file descriptor) [pid 601] close(17) = -1 EBADF (Bad file descriptor) [pid 601] close(18) = -1 EBADF (Bad file descriptor) [pid 601] close(19) = -1 EBADF (Bad file descriptor) [pid 601] close(20) = -1 EBADF (Bad file descriptor) [pid 601] close(21) = -1 EBADF (Bad file descriptor) [pid 601] close(22) = -1 EBADF (Bad file descriptor) [pid 601] close(23) = -1 EBADF (Bad file descriptor) [pid 601] close(24) = -1 EBADF (Bad file descriptor) [pid 601] close(25) = -1 EBADF (Bad file descriptor) [pid 601] close(26) = -1 EBADF (Bad file descriptor) [pid 601] close(27) = -1 EBADF (Bad file descriptor) [pid 601] close(28) = -1 EBADF (Bad file descriptor) [pid 601] close(29) = -1 EBADF (Bad file descriptor) [pid 601] exit_group(0) = ? [pid 601] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./303/binderfs") = 0 [pid 297] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./303/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./303/cgroup.net") = 0 [pid 297] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./303/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./303/cgroup.cpu") = 0 [pid 297] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./303/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./303/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./303") = 0 [pid 297] mkdir("./304", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 602 attached [pid 602] set_robust_list(0x555565b1f660, 24) = 0 [pid 602] chdir("./304" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 306 [pid 602] <... chdir resumed>) = 0 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 602] setpgid(0, 0) = 0 [pid 602] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 602] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 602] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 [pid 602] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 602] write(1, "executing program\n", 18) = 18 [ 31.596726][ T600] incfs: Error allocating mount info. -12 [ 31.602531][ T600] incfs: mount failed -12 [ 31.624994][ T601] incfs: Error allocating mount info. -12 [ 31.630774][ T601] incfs: mount failed -12 [pid 602] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 602] close(3) = -1 EBADF (Bad file descriptor) [pid 602] close(4) = -1 EBADF (Bad file descriptor) [pid 602] close(5) = -1 EBADF (Bad file descriptor) [pid 602] close(6) = -1 EBADF (Bad file descriptor) [pid 602] close(7) = -1 EBADF (Bad file descriptor) [pid 602] close(8) = -1 EBADF (Bad file descriptor) [pid 602] close(9) = -1 EBADF (Bad file descriptor) [pid 602] close(10) = -1 EBADF (Bad file descriptor) [pid 602] close(11) = -1 EBADF (Bad file descriptor) [pid 602] close(12) = -1 EBADF (Bad file descriptor) [pid 602] close(13) = -1 EBADF (Bad file descriptor) [pid 602] close(14) = -1 EBADF (Bad file descriptor) [pid 602] close(15) = -1 EBADF (Bad file descriptor) [pid 602] close(16) = -1 EBADF (Bad file descriptor) [pid 602] close(17) = -1 EBADF (Bad file descriptor) [pid 602] close(18) = -1 EBADF (Bad file descriptor) [pid 602] close(19) = -1 EBADF (Bad file descriptor) [pid 602] close(20) = -1 EBADF (Bad file descriptor) [pid 602] close(21) = -1 EBADF (Bad file descriptor) [pid 602] close(22) = -1 EBADF (Bad file descriptor) [pid 602] close(23) = -1 EBADF (Bad file descriptor) [pid 602] close(24) = -1 EBADF (Bad file descriptor) [pid 602] close(25) = -1 EBADF (Bad file descriptor) [pid 602] close(26) = -1 EBADF (Bad file descriptor) [pid 602] close(27) = -1 EBADF (Bad file descriptor) [pid 602] close(28) = -1 EBADF (Bad file descriptor) [pid 602] close(29) = -1 EBADF (Bad file descriptor) [pid 602] exit_group(0) = ? [pid 602] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./304/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./304/binderfs") = 0 [pid 297] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./304/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./304/cgroup.net") = 0 [pid 297] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./304/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./304/cgroup.cpu") = 0 [pid 297] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./304/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./304/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./304") = 0 [pid 297] mkdir("./305", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 307 ./strace-static-x86_64: Process 603 attached [pid 603] set_robust_list(0x555565b1f660, 24) = 0 [pid 603] chdir("./305") = 0 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 603] setpgid(0, 0) = 0 [pid 603] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 603] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 603] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 603] write(3, "1000", 4) = 4 [pid 603] close(3) = 0 [pid 603] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 603] write(1, "executing program\n", 18) = 18 [pid 603] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 603] close(3) = -1 EBADF (Bad file descriptor) [pid 603] close(4) = -1 EBADF (Bad file descriptor) [pid 603] close(5) = -1 EBADF (Bad file descriptor) [pid 603] close(6) = -1 EBADF (Bad file descriptor) [pid 603] close(7) = -1 EBADF (Bad file descriptor) [pid 603] close(8) = -1 EBADF (Bad file descriptor) [pid 603] close(9) = -1 EBADF (Bad file descriptor) [pid 603] close(10) = -1 EBADF (Bad file descriptor) [pid 603] close(11) = -1 EBADF (Bad file descriptor) [pid 603] close(12) = -1 EBADF (Bad file descriptor) [pid 603] close(13) = -1 EBADF (Bad file descriptor) [pid 603] close(14) = -1 EBADF (Bad file descriptor) [pid 603] close(15) = -1 EBADF (Bad file descriptor) [pid 603] close(16) = -1 EBADF (Bad file descriptor) [pid 603] close(17) = -1 EBADF (Bad file descriptor) [pid 603] close(18) = -1 EBADF (Bad file descriptor) [pid 603] close(19) = -1 EBADF (Bad file descriptor) [pid 603] close(20) = -1 EBADF (Bad file descriptor) [pid 603] close(21) = -1 EBADF (Bad file descriptor) [pid 603] close(22) = -1 EBADF (Bad file descriptor) [pid 603] close(23) = -1 EBADF (Bad file descriptor) [pid 603] close(24) = -1 EBADF (Bad file descriptor) [pid 603] close(25) = -1 EBADF (Bad file descriptor) [pid 603] close(26) = -1 EBADF (Bad file descriptor) [pid 603] close(27) = -1 EBADF (Bad file descriptor) [pid 603] close(28) = -1 EBADF (Bad file descriptor) [pid 603] close(29) = -1 EBADF (Bad file descriptor) [pid 603] exit_group(0) = ? [pid 603] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./305/binderfs") = 0 [pid 297] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./305/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./305/cgroup.net") = 0 [pid 297] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./305/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./305/cgroup.cpu") = 0 [pid 297] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./305/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./305/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./305") = 0 [pid 297] mkdir("./306", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 604 attached [pid 604] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 308 [pid 604] chdir("./306") = 0 [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0) = 0 [pid 604] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 604] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 604] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 604] write(1, "executing program\n", 18) = 18 [ 31.648515][ T602] incfs: Error allocating mount info. -12 [ 31.654257][ T602] incfs: mount failed -12 [ 31.674993][ T603] incfs: Error allocating mount info. -12 [ 31.680793][ T603] incfs: mount failed -12 [pid 604] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 604] close(3) = -1 EBADF (Bad file descriptor) [pid 604] close(4) = -1 EBADF (Bad file descriptor) [pid 604] close(5) = -1 EBADF (Bad file descriptor) [pid 604] close(6) = -1 EBADF (Bad file descriptor) [pid 604] close(7) = -1 EBADF (Bad file descriptor) [pid 604] close(8) = -1 EBADF (Bad file descriptor) [pid 604] close(9) = -1 EBADF (Bad file descriptor) [pid 604] close(10) = -1 EBADF (Bad file descriptor) [pid 604] close(11) = -1 EBADF (Bad file descriptor) [pid 604] close(12) = -1 EBADF (Bad file descriptor) [pid 604] close(13) = -1 EBADF (Bad file descriptor) [pid 604] close(14) = -1 EBADF (Bad file descriptor) [pid 604] close(15) = -1 EBADF (Bad file descriptor) [pid 604] close(16) = -1 EBADF (Bad file descriptor) [pid 604] close(17) = -1 EBADF (Bad file descriptor) [pid 604] close(18) = -1 EBADF (Bad file descriptor) [pid 604] close(19) = -1 EBADF (Bad file descriptor) [pid 604] close(20) = -1 EBADF (Bad file descriptor) [pid 604] close(21) = -1 EBADF (Bad file descriptor) [pid 604] close(22) = -1 EBADF (Bad file descriptor) [pid 604] close(23) = -1 EBADF (Bad file descriptor) [pid 604] close(24) = -1 EBADF (Bad file descriptor) [pid 604] close(25) = -1 EBADF (Bad file descriptor) [pid 604] close(26) = -1 EBADF (Bad file descriptor) [pid 604] close(27) = -1 EBADF (Bad file descriptor) [pid 604] close(28) = -1 EBADF (Bad file descriptor) [pid 604] close(29) = -1 EBADF (Bad file descriptor) [pid 604] exit_group(0) = ? [pid 604] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./306/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./306/binderfs") = 0 [pid 297] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./306/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./306/cgroup.net") = 0 [pid 297] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./306/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./306/cgroup.cpu") = 0 [pid 297] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./306/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./306/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./306") = 0 [pid 297] mkdir("./307", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 309 ./strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x555565b1f660, 24) = 0 [pid 605] chdir("./307") = 0 [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 605] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 605] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] write(3, "1000", 4) = 4 [pid 605] close(3) = 0 [pid 605] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 605] write(1, "executing program\n", 18) = 18 [pid 605] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 605] close(3) = -1 EBADF (Bad file descriptor) [pid 605] close(4) = -1 EBADF (Bad file descriptor) [pid 605] close(5) = -1 EBADF (Bad file descriptor) [pid 605] close(6) = -1 EBADF (Bad file descriptor) [pid 605] close(7) = -1 EBADF (Bad file descriptor) [pid 605] close(8) = -1 EBADF (Bad file descriptor) [pid 605] close(9) = -1 EBADF (Bad file descriptor) [pid 605] close(10) = -1 EBADF (Bad file descriptor) [pid 605] close(11) = -1 EBADF (Bad file descriptor) [pid 605] close(12) = -1 EBADF (Bad file descriptor) [pid 605] close(13) = -1 EBADF (Bad file descriptor) [pid 605] close(14) = -1 EBADF (Bad file descriptor) [pid 605] close(15) = -1 EBADF (Bad file descriptor) [pid 605] close(16) = -1 EBADF (Bad file descriptor) [pid 605] close(17) = -1 EBADF (Bad file descriptor) [pid 605] close(18) = -1 EBADF (Bad file descriptor) [pid 605] close(19) = -1 EBADF (Bad file descriptor) [pid 605] close(20) = -1 EBADF (Bad file descriptor) [pid 605] close(21) = -1 EBADF (Bad file descriptor) [pid 605] close(22) = -1 EBADF (Bad file descriptor) [pid 605] close(23) = -1 EBADF (Bad file descriptor) [pid 605] close(24) = -1 EBADF (Bad file descriptor) [pid 605] close(25) = -1 EBADF (Bad file descriptor) [pid 605] close(26) = -1 EBADF (Bad file descriptor) [pid 605] close(27) = -1 EBADF (Bad file descriptor) [pid 605] close(28) = -1 EBADF (Bad file descriptor) [pid 605] close(29) = -1 EBADF (Bad file descriptor) [pid 605] exit_group(0) = ? [pid 605] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./307/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./307/binderfs") = 0 [pid 297] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./307/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./307/cgroup.net") = 0 [pid 297] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./307/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./307/cgroup.cpu") = 0 [pid 297] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./307/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./307/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./307") = 0 [pid 297] mkdir("./308", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 606 attached [pid 606] set_robust_list(0x555565b1f660, 24) = 0 [pid 606] chdir("./308") = 0 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0) = 0 [pid 606] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 310 [pid 606] <... symlink resumed>) = 0 [pid 606] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 606] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 606] write(3, "1000", 4) = 4 [pid 606] close(3) = 0 [pid 606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 606] write(1, "executing program\n", 18executing program ) = 18 [ 31.702277][ T604] incfs: Error allocating mount info. -12 [ 31.708017][ T604] incfs: mount failed -12 [ 31.730680][ T605] incfs: Error allocating mount info. -12 [ 31.736425][ T605] incfs: mount failed -12 [pid 606] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 606] close(3) = -1 EBADF (Bad file descriptor) [pid 606] close(4) = -1 EBADF (Bad file descriptor) [pid 606] close(5) = -1 EBADF (Bad file descriptor) [pid 606] close(6) = -1 EBADF (Bad file descriptor) [pid 606] close(7) = -1 EBADF (Bad file descriptor) [pid 606] close(8) = -1 EBADF (Bad file descriptor) [pid 606] close(9) = -1 EBADF (Bad file descriptor) [pid 606] close(10) = -1 EBADF (Bad file descriptor) [pid 606] close(11) = -1 EBADF (Bad file descriptor) [pid 606] close(12) = -1 EBADF (Bad file descriptor) [pid 606] close(13) = -1 EBADF (Bad file descriptor) [pid 606] close(14) = -1 EBADF (Bad file descriptor) [pid 606] close(15) = -1 EBADF (Bad file descriptor) [pid 606] close(16) = -1 EBADF (Bad file descriptor) [pid 606] close(17) = -1 EBADF (Bad file descriptor) [pid 606] close(18) = -1 EBADF (Bad file descriptor) [pid 606] close(19) = -1 EBADF (Bad file descriptor) [pid 606] close(20) = -1 EBADF (Bad file descriptor) [pid 606] close(21) = -1 EBADF (Bad file descriptor) [pid 606] close(22) = -1 EBADF (Bad file descriptor) [pid 606] close(23) = -1 EBADF (Bad file descriptor) [pid 606] close(24) = -1 EBADF (Bad file descriptor) [pid 606] close(25) = -1 EBADF (Bad file descriptor) [pid 606] close(26) = -1 EBADF (Bad file descriptor) [pid 606] close(27) = -1 EBADF (Bad file descriptor) [pid 606] close(28) = -1 EBADF (Bad file descriptor) [pid 606] close(29) = -1 EBADF (Bad file descriptor) [pid 606] exit_group(0) = ? [pid 606] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./308/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./308/binderfs") = 0 [pid 297] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./308/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./308/cgroup.net") = 0 [pid 297] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./308/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./308/cgroup.cpu") = 0 [pid 297] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./308/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./308/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./308") = 0 [pid 297] mkdir("./309", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 607 attached , child_tidptr=0x555565b1f650) = 311 [pid 607] set_robust_list(0x555565b1f660, 24) = 0 [pid 607] chdir("./309") = 0 [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 607] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 607] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 607] write(1, "executing program\n", 18) = 18 [pid 607] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 607] close(3) = -1 EBADF (Bad file descriptor) [pid 607] close(4) = -1 EBADF (Bad file descriptor) [pid 607] close(5) = -1 EBADF (Bad file descriptor) [pid 607] close(6) = -1 EBADF (Bad file descriptor) [pid 607] close(7) = -1 EBADF (Bad file descriptor) [pid 607] close(8) = -1 EBADF (Bad file descriptor) [pid 607] close(9) = -1 EBADF (Bad file descriptor) [pid 607] close(10) = -1 EBADF (Bad file descriptor) [pid 607] close(11) = -1 EBADF (Bad file descriptor) [pid 607] close(12) = -1 EBADF (Bad file descriptor) [pid 607] close(13) = -1 EBADF (Bad file descriptor) [pid 607] close(14) = -1 EBADF (Bad file descriptor) [pid 607] close(15) = -1 EBADF (Bad file descriptor) [pid 607] close(16) = -1 EBADF (Bad file descriptor) [pid 607] close(17) = -1 EBADF (Bad file descriptor) [pid 607] close(18) = -1 EBADF (Bad file descriptor) [pid 607] close(19) = -1 EBADF (Bad file descriptor) [pid 607] close(20) = -1 EBADF (Bad file descriptor) [pid 607] close(21) = -1 EBADF (Bad file descriptor) [pid 607] close(22) = -1 EBADF (Bad file descriptor) [pid 607] close(23) = -1 EBADF (Bad file descriptor) [pid 607] close(24) = -1 EBADF (Bad file descriptor) [pid 607] close(25) = -1 EBADF (Bad file descriptor) [pid 607] close(26) = -1 EBADF (Bad file descriptor) [pid 607] close(27) = -1 EBADF (Bad file descriptor) [pid 607] close(28) = -1 EBADF (Bad file descriptor) [pid 607] close(29) = -1 EBADF (Bad file descriptor) [pid 607] exit_group(0) = ? [pid 607] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./309/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./309/binderfs") = 0 [pid 297] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./309/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./309/cgroup.net") = 0 [pid 297] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./309/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./309/cgroup.cpu") = 0 [pid 297] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./309/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./309/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./309") = 0 [pid 297] mkdir("./310", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 608 attached , child_tidptr=0x555565b1f650) = 312 [pid 608] set_robust_list(0x555565b1f660, 24) = 0 [pid 608] chdir("./310") = 0 [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 608] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 608] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 [pid 608] symlink("/dev/binderfs", "./binderfs") = 0 [pid 608] write(1, "executing program\n", 18executing program ) = 18 [ 31.758428][ T606] incfs: Error allocating mount info. -12 [ 31.764210][ T606] incfs: mount failed -12 [ 31.786409][ T607] incfs: Error allocating mount info. -12 [ 31.792220][ T607] incfs: mount failed -12 [pid 608] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 608] close(3) = -1 EBADF (Bad file descriptor) [pid 608] close(4) = -1 EBADF (Bad file descriptor) [pid 608] close(5) = -1 EBADF (Bad file descriptor) [pid 608] close(6) = -1 EBADF (Bad file descriptor) [pid 608] close(7) = -1 EBADF (Bad file descriptor) [pid 608] close(8) = -1 EBADF (Bad file descriptor) [pid 608] close(9) = -1 EBADF (Bad file descriptor) [pid 608] close(10) = -1 EBADF (Bad file descriptor) [pid 608] close(11) = -1 EBADF (Bad file descriptor) [pid 608] close(12) = -1 EBADF (Bad file descriptor) [pid 608] close(13) = -1 EBADF (Bad file descriptor) [pid 608] close(14) = -1 EBADF (Bad file descriptor) [pid 608] close(15) = -1 EBADF (Bad file descriptor) [pid 608] close(16) = -1 EBADF (Bad file descriptor) [pid 608] close(17) = -1 EBADF (Bad file descriptor) [pid 608] close(18) = -1 EBADF (Bad file descriptor) [pid 608] close(19) = -1 EBADF (Bad file descriptor) [pid 608] close(20) = -1 EBADF (Bad file descriptor) [pid 608] close(21) = -1 EBADF (Bad file descriptor) [pid 608] close(22) = -1 EBADF (Bad file descriptor) [pid 608] close(23) = -1 EBADF (Bad file descriptor) [pid 608] close(24) = -1 EBADF (Bad file descriptor) [pid 608] close(25) = -1 EBADF (Bad file descriptor) [pid 608] close(26) = -1 EBADF (Bad file descriptor) [pid 608] close(27) = -1 EBADF (Bad file descriptor) [pid 608] close(28) = -1 EBADF (Bad file descriptor) [pid 608] close(29) = -1 EBADF (Bad file descriptor) [pid 608] exit_group(0) = ? [pid 608] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./310/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./310/binderfs") = 0 [pid 297] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./310/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./310/cgroup.net") = 0 [pid 297] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./310/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./310/cgroup.cpu") = 0 [pid 297] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./310/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./310/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./310") = 0 [pid 297] mkdir("./311", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 609 attached [pid 609] set_robust_list(0x555565b1f660, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 313 [pid 609] chdir("./311") = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 609] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 609] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 609] write(1, "executing program\n", 18) = 18 [pid 609] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 609] close(3) = -1 EBADF (Bad file descriptor) [pid 609] close(4) = -1 EBADF (Bad file descriptor) [pid 609] close(5) = -1 EBADF (Bad file descriptor) [pid 609] close(6) = -1 EBADF (Bad file descriptor) [pid 609] close(7) = -1 EBADF (Bad file descriptor) [pid 609] close(8) = -1 EBADF (Bad file descriptor) [pid 609] close(9) = -1 EBADF (Bad file descriptor) [pid 609] close(10) = -1 EBADF (Bad file descriptor) [pid 609] close(11) = -1 EBADF (Bad file descriptor) [pid 609] close(12) = -1 EBADF (Bad file descriptor) [pid 609] close(13) = -1 EBADF (Bad file descriptor) [pid 609] close(14) = -1 EBADF (Bad file descriptor) [pid 609] close(15) = -1 EBADF (Bad file descriptor) [pid 609] close(16) = -1 EBADF (Bad file descriptor) [pid 609] close(17) = -1 EBADF (Bad file descriptor) [pid 609] close(18) = -1 EBADF (Bad file descriptor) [pid 609] close(19) = -1 EBADF (Bad file descriptor) [pid 609] close(20) = -1 EBADF (Bad file descriptor) [pid 609] close(21) = -1 EBADF (Bad file descriptor) [pid 609] close(22) = -1 EBADF (Bad file descriptor) [pid 609] close(23) = -1 EBADF (Bad file descriptor) [pid 609] close(24) = -1 EBADF (Bad file descriptor) [pid 609] close(25) = -1 EBADF (Bad file descriptor) [pid 609] close(26) = -1 EBADF (Bad file descriptor) [pid 609] close(27) = -1 EBADF (Bad file descriptor) [pid 609] close(28) = -1 EBADF (Bad file descriptor) [pid 609] close(29) = -1 EBADF (Bad file descriptor) [pid 609] exit_group(0) = ? [pid 609] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./311/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./311/binderfs") = 0 [pid 297] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./311/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./311/cgroup.net") = 0 [pid 297] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./311/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./311/cgroup.cpu") = 0 [pid 297] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./311/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./311/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./311") = 0 [pid 297] mkdir("./312", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 610 attached [pid 610] set_robust_list(0x555565b1f660, 24) = 0 [pid 610] chdir("./312" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 314 [pid 610] <... chdir resumed>) = 0 [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 610] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 610] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 610] write(3, "1000", 4) = 4 [pid 610] close(3) = 0 [pid 610] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 610] write(1, "executing program\n", 18) = 18 [ 31.814061][ T608] incfs: Error allocating mount info. -12 [ 31.819875][ T608] incfs: mount failed -12 [ 31.837637][ T609] incfs: Error allocating mount info. -12 [ 31.843479][ T609] incfs: mount failed -12 [pid 610] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 610] close(3) = -1 EBADF (Bad file descriptor) [pid 610] close(4) = -1 EBADF (Bad file descriptor) [pid 610] close(5) = -1 EBADF (Bad file descriptor) [pid 610] close(6) = -1 EBADF (Bad file descriptor) [pid 610] close(7) = -1 EBADF (Bad file descriptor) [pid 610] close(8) = -1 EBADF (Bad file descriptor) [pid 610] close(9) = -1 EBADF (Bad file descriptor) [pid 610] close(10) = -1 EBADF (Bad file descriptor) [pid 610] close(11) = -1 EBADF (Bad file descriptor) [pid 610] close(12) = -1 EBADF (Bad file descriptor) [pid 610] close(13) = -1 EBADF (Bad file descriptor) [pid 610] close(14) = -1 EBADF (Bad file descriptor) [pid 610] close(15) = -1 EBADF (Bad file descriptor) [pid 610] close(16) = -1 EBADF (Bad file descriptor) [pid 610] close(17) = -1 EBADF (Bad file descriptor) [pid 610] close(18) = -1 EBADF (Bad file descriptor) [pid 610] close(19) = -1 EBADF (Bad file descriptor) [pid 610] close(20) = -1 EBADF (Bad file descriptor) [pid 610] close(21) = -1 EBADF (Bad file descriptor) [pid 610] close(22) = -1 EBADF (Bad file descriptor) [pid 610] close(23) = -1 EBADF (Bad file descriptor) [pid 610] close(24) = -1 EBADF (Bad file descriptor) [pid 610] close(25) = -1 EBADF (Bad file descriptor) [pid 610] close(26) = -1 EBADF (Bad file descriptor) [pid 610] close(27) = -1 EBADF (Bad file descriptor) [pid 610] close(28) = -1 EBADF (Bad file descriptor) [pid 610] close(29) = -1 EBADF (Bad file descriptor) [pid 610] exit_group(0) = ? [pid 610] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./312/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./312/binderfs") = 0 [pid 297] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./312/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./312/cgroup.net") = 0 [pid 297] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./312/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./312/cgroup.cpu") = 0 [pid 297] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./312/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./312/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./312") = 0 [pid 297] mkdir("./313", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 611 attached , child_tidptr=0x555565b1f650) = 315 [pid 611] set_robust_list(0x555565b1f660, 24) = 0 [pid 611] chdir("./313") = 0 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 611] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 611] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 611] symlink("/dev/binderfs", "./binderfs") = 0 [pid 611] write(1, "executing program\n", 18executing program ) = 18 [pid 611] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 611] close(3) = -1 EBADF (Bad file descriptor) [pid 611] close(4) = -1 EBADF (Bad file descriptor) [pid 611] close(5) = -1 EBADF (Bad file descriptor) [pid 611] close(6) = -1 EBADF (Bad file descriptor) [pid 611] close(7) = -1 EBADF (Bad file descriptor) [pid 611] close(8) = -1 EBADF (Bad file descriptor) [pid 611] close(9) = -1 EBADF (Bad file descriptor) [pid 611] close(10) = -1 EBADF (Bad file descriptor) [pid 611] close(11) = -1 EBADF (Bad file descriptor) [pid 611] close(12) = -1 EBADF (Bad file descriptor) [pid 611] close(13) = -1 EBADF (Bad file descriptor) [pid 611] close(14) = -1 EBADF (Bad file descriptor) [pid 611] close(15) = -1 EBADF (Bad file descriptor) [pid 611] close(16) = -1 EBADF (Bad file descriptor) [pid 611] close(17) = -1 EBADF (Bad file descriptor) [pid 611] close(18) = -1 EBADF (Bad file descriptor) [pid 611] close(19) = -1 EBADF (Bad file descriptor) [pid 611] close(20) = -1 EBADF (Bad file descriptor) [pid 611] close(21) = -1 EBADF (Bad file descriptor) [pid 611] close(22) = -1 EBADF (Bad file descriptor) [pid 611] close(23) = -1 EBADF (Bad file descriptor) [pid 611] close(24) = -1 EBADF (Bad file descriptor) [pid 611] close(25) = -1 EBADF (Bad file descriptor) [pid 611] close(26) = -1 EBADF (Bad file descriptor) [pid 611] close(27) = -1 EBADF (Bad file descriptor) [pid 611] close(28) = -1 EBADF (Bad file descriptor) [pid 611] close(29) = -1 EBADF (Bad file descriptor) [pid 611] exit_group(0) = ? [pid 611] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./313/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./313/binderfs") = 0 [pid 297] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./313/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./313/cgroup.net") = 0 [pid 297] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./313/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./313/cgroup.cpu") = 0 [pid 297] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./313/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./313/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./313") = 0 [pid 297] mkdir("./314", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 316 ./strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x555565b1f660, 24) = 0 [pid 612] chdir("./314") = 0 [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 612] setpgid(0, 0) = 0 [pid 612] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 612] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 612] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 612] write(3, "1000", 4) = 4 [pid 612] close(3) = 0 [pid 612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 612] write(1, "executing program\n", 18executing program ) = 18 [ 31.867380][ T610] incfs: Error allocating mount info. -12 [ 31.873172][ T610] incfs: mount failed -12 [ 31.894276][ T611] incfs: Error allocating mount info. -12 [ 31.900065][ T611] incfs: mount failed -12 [pid 612] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 612] close(3) = -1 EBADF (Bad file descriptor) [pid 612] close(4) = -1 EBADF (Bad file descriptor) [pid 612] close(5) = -1 EBADF (Bad file descriptor) [pid 612] close(6) = -1 EBADF (Bad file descriptor) [pid 612] close(7) = -1 EBADF (Bad file descriptor) [pid 612] close(8) = -1 EBADF (Bad file descriptor) [pid 612] close(9) = -1 EBADF (Bad file descriptor) [pid 612] close(10) = -1 EBADF (Bad file descriptor) [pid 612] close(11) = -1 EBADF (Bad file descriptor) [pid 612] close(12) = -1 EBADF (Bad file descriptor) [pid 612] close(13) = -1 EBADF (Bad file descriptor) [pid 612] close(14) = -1 EBADF (Bad file descriptor) [pid 612] close(15) = -1 EBADF (Bad file descriptor) [pid 612] close(16) = -1 EBADF (Bad file descriptor) [pid 612] close(17) = -1 EBADF (Bad file descriptor) [pid 612] close(18) = -1 EBADF (Bad file descriptor) [pid 612] close(19) = -1 EBADF (Bad file descriptor) [pid 612] close(20) = -1 EBADF (Bad file descriptor) [pid 612] close(21) = -1 EBADF (Bad file descriptor) [pid 612] close(22) = -1 EBADF (Bad file descriptor) [pid 612] close(23) = -1 EBADF (Bad file descriptor) [pid 612] close(24) = -1 EBADF (Bad file descriptor) [pid 612] close(25) = -1 EBADF (Bad file descriptor) [pid 612] close(26) = -1 EBADF (Bad file descriptor) [pid 612] close(27) = -1 EBADF (Bad file descriptor) [pid 612] close(28) = -1 EBADF (Bad file descriptor) [pid 612] close(29) = -1 EBADF (Bad file descriptor) [pid 612] exit_group(0) = ? [pid 612] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./314/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./314/binderfs") = 0 [pid 297] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./314/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./314/cgroup.net") = 0 [pid 297] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./314/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./314/cgroup.cpu") = 0 [pid 297] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./314/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./314/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./314") = 0 [pid 297] mkdir("./315", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 317 ./strace-static-x86_64: Process 613 attached [pid 613] set_robust_list(0x555565b1f660, 24) = 0 [pid 613] chdir("./315") = 0 [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 613] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 613] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 613] write(1, "executing program\n", 18executing program ) = 18 [pid 613] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 613] close(3) = -1 EBADF (Bad file descriptor) [pid 613] close(4) = -1 EBADF (Bad file descriptor) [pid 613] close(5) = -1 EBADF (Bad file descriptor) [pid 613] close(6) = -1 EBADF (Bad file descriptor) [pid 613] close(7) = -1 EBADF (Bad file descriptor) [pid 613] close(8) = -1 EBADF (Bad file descriptor) [pid 613] close(9) = -1 EBADF (Bad file descriptor) [pid 613] close(10) = -1 EBADF (Bad file descriptor) [pid 613] close(11) = -1 EBADF (Bad file descriptor) [pid 613] close(12) = -1 EBADF (Bad file descriptor) [pid 613] close(13) = -1 EBADF (Bad file descriptor) [pid 613] close(14) = -1 EBADF (Bad file descriptor) [pid 613] close(15) = -1 EBADF (Bad file descriptor) [pid 613] close(16) = -1 EBADF (Bad file descriptor) [pid 613] close(17) = -1 EBADF (Bad file descriptor) [pid 613] close(18) = -1 EBADF (Bad file descriptor) [pid 613] close(19) = -1 EBADF (Bad file descriptor) [pid 613] close(20) = -1 EBADF (Bad file descriptor) [pid 613] close(21) = -1 EBADF (Bad file descriptor) [pid 613] close(22) = -1 EBADF (Bad file descriptor) [pid 613] close(23) = -1 EBADF (Bad file descriptor) [pid 613] close(24) = -1 EBADF (Bad file descriptor) [pid 613] close(25) = -1 EBADF (Bad file descriptor) [pid 613] close(26) = -1 EBADF (Bad file descriptor) [pid 613] close(27) = -1 EBADF (Bad file descriptor) [pid 613] close(28) = -1 EBADF (Bad file descriptor) [pid 613] close(29) = -1 EBADF (Bad file descriptor) [pid 613] exit_group(0) = ? [pid 613] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./315/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./315/binderfs") = 0 [pid 297] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./315/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./315/cgroup.net") = 0 [pid 297] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./315/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./315/cgroup.cpu") = 0 [pid 297] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./315/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./315/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./315") = 0 [pid 297] mkdir("./316", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 614 attached , child_tidptr=0x555565b1f650) = 318 [pid 614] set_robust_list(0x555565b1f660, 24) = 0 [pid 614] chdir("./316") = 0 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 614] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 614] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 executing program [pid 614] symlink("/dev/binderfs", "./binderfs") = 0 [ 31.919032][ T612] incfs: Error allocating mount info. -12 [ 31.924774][ T612] incfs: mount failed -12 [ 31.947367][ T613] incfs: Error allocating mount info. -12 [ 31.953151][ T613] incfs: mount failed -12 [pid 614] write(1, "executing program\n", 18) = 18 [pid 614] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 614] close(3) = -1 EBADF (Bad file descriptor) [pid 614] close(4) = -1 EBADF (Bad file descriptor) [pid 614] close(5) = -1 EBADF (Bad file descriptor) [pid 614] close(6) = -1 EBADF (Bad file descriptor) [pid 614] close(7) = -1 EBADF (Bad file descriptor) [pid 614] close(8) = -1 EBADF (Bad file descriptor) [pid 614] close(9) = -1 EBADF (Bad file descriptor) [pid 614] close(10) = -1 EBADF (Bad file descriptor) [pid 614] close(11) = -1 EBADF (Bad file descriptor) [pid 614] close(12) = -1 EBADF (Bad file descriptor) [pid 614] close(13) = -1 EBADF (Bad file descriptor) [pid 614] close(14) = -1 EBADF (Bad file descriptor) [pid 614] close(15) = -1 EBADF (Bad file descriptor) [pid 614] close(16) = -1 EBADF (Bad file descriptor) [pid 614] close(17) = -1 EBADF (Bad file descriptor) [pid 614] close(18) = -1 EBADF (Bad file descriptor) [pid 614] close(19) = -1 EBADF (Bad file descriptor) [pid 614] close(20) = -1 EBADF (Bad file descriptor) [pid 614] close(21) = -1 EBADF (Bad file descriptor) [pid 614] close(22) = -1 EBADF (Bad file descriptor) [pid 614] close(23) = -1 EBADF (Bad file descriptor) [pid 614] close(24) = -1 EBADF (Bad file descriptor) [pid 614] close(25) = -1 EBADF (Bad file descriptor) [pid 614] close(26) = -1 EBADF (Bad file descriptor) [pid 614] close(27) = -1 EBADF (Bad file descriptor) [pid 614] close(28) = -1 EBADF (Bad file descriptor) [pid 614] close(29) = -1 EBADF (Bad file descriptor) [pid 614] exit_group(0) = ? [pid 614] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./316/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./316/binderfs") = 0 [pid 297] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./316/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./316/cgroup.net") = 0 [pid 297] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./316/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./316/cgroup.cpu") = 0 [pid 297] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./316/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./316/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./316") = 0 [pid 297] mkdir("./317", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 319 ./strace-static-x86_64: Process 615 attached [pid 615] set_robust_list(0x555565b1f660, 24) = 0 [pid 615] chdir("./317") = 0 [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 [pid 615] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 615] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 615] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 615] write(1, "executing program\n", 18) = 18 [pid 615] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 615] close(3) = -1 EBADF (Bad file descriptor) [pid 615] close(4) = -1 EBADF (Bad file descriptor) [pid 615] close(5) = -1 EBADF (Bad file descriptor) [pid 615] close(6) = -1 EBADF (Bad file descriptor) [pid 615] close(7) = -1 EBADF (Bad file descriptor) [pid 615] close(8) = -1 EBADF (Bad file descriptor) [pid 615] close(9) = -1 EBADF (Bad file descriptor) [pid 615] close(10) = -1 EBADF (Bad file descriptor) [pid 615] close(11) = -1 EBADF (Bad file descriptor) [pid 615] close(12) = -1 EBADF (Bad file descriptor) [pid 615] close(13) = -1 EBADF (Bad file descriptor) [pid 615] close(14) = -1 EBADF (Bad file descriptor) [pid 615] close(15) = -1 EBADF (Bad file descriptor) [pid 615] close(16) = -1 EBADF (Bad file descriptor) [pid 615] close(17) = -1 EBADF (Bad file descriptor) [pid 615] close(18) = -1 EBADF (Bad file descriptor) [pid 615] close(19) = -1 EBADF (Bad file descriptor) [pid 615] close(20) = -1 EBADF (Bad file descriptor) [pid 615] close(21) = -1 EBADF (Bad file descriptor) [pid 615] close(22) = -1 EBADF (Bad file descriptor) [pid 615] close(23) = -1 EBADF (Bad file descriptor) [pid 615] close(24) = -1 EBADF (Bad file descriptor) [pid 615] close(25) = -1 EBADF (Bad file descriptor) [pid 615] close(26) = -1 EBADF (Bad file descriptor) [pid 615] close(27) = -1 EBADF (Bad file descriptor) [pid 615] close(28) = -1 EBADF (Bad file descriptor) [pid 615] close(29) = -1 EBADF (Bad file descriptor) [pid 615] exit_group(0) = ? [pid 615] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./317/binderfs") = 0 [pid 297] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./317/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./317/cgroup.net") = 0 [pid 297] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./317/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./317/cgroup.cpu") = 0 [pid 297] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./317/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./317/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./317") = 0 [pid 297] mkdir("./318", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 616 attached , child_tidptr=0x555565b1f650) = 320 [pid 616] set_robust_list(0x555565b1f660, 24) = 0 [pid 616] chdir("./318") = 0 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 616] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 616] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 616] write(1, "executing program\n", 18) = 18 [ 31.974471][ T614] incfs: Error allocating mount info. -12 [ 31.980274][ T614] incfs: mount failed -12 [ 31.998945][ T615] incfs: Error allocating mount info. -12 [ 32.004728][ T615] incfs: mount failed -12 [pid 616] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 616] close(3) = -1 EBADF (Bad file descriptor) [pid 616] close(4) = -1 EBADF (Bad file descriptor) [pid 616] close(5) = -1 EBADF (Bad file descriptor) [pid 616] close(6) = -1 EBADF (Bad file descriptor) [pid 616] close(7) = -1 EBADF (Bad file descriptor) [pid 616] close(8) = -1 EBADF (Bad file descriptor) [pid 616] close(9) = -1 EBADF (Bad file descriptor) [pid 616] close(10) = -1 EBADF (Bad file descriptor) [pid 616] close(11) = -1 EBADF (Bad file descriptor) [pid 616] close(12) = -1 EBADF (Bad file descriptor) [pid 616] close(13) = -1 EBADF (Bad file descriptor) [pid 616] close(14) = -1 EBADF (Bad file descriptor) [pid 616] close(15) = -1 EBADF (Bad file descriptor) [pid 616] close(16) = -1 EBADF (Bad file descriptor) [pid 616] close(17) = -1 EBADF (Bad file descriptor) [pid 616] close(18) = -1 EBADF (Bad file descriptor) [pid 616] close(19) = -1 EBADF (Bad file descriptor) [pid 616] close(20) = -1 EBADF (Bad file descriptor) [pid 616] close(21) = -1 EBADF (Bad file descriptor) [pid 616] close(22) = -1 EBADF (Bad file descriptor) [pid 616] close(23) = -1 EBADF (Bad file descriptor) [pid 616] close(24) = -1 EBADF (Bad file descriptor) [pid 616] close(25) = -1 EBADF (Bad file descriptor) [pid 616] close(26) = -1 EBADF (Bad file descriptor) [pid 616] close(27) = -1 EBADF (Bad file descriptor) [pid 616] close(28) = -1 EBADF (Bad file descriptor) [pid 616] close(29) = -1 EBADF (Bad file descriptor) [pid 616] exit_group(0) = ? [pid 616] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./318/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./318/binderfs") = 0 [pid 297] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./318/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./318/cgroup.net") = 0 [pid 297] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./318/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./318/cgroup.cpu") = 0 [pid 297] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./318/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./318/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./318") = 0 [pid 297] mkdir("./319", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 617 attached [pid 617] set_robust_list(0x555565b1f660, 24) = 0 [pid 617] chdir("./319" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 321 [pid 617] <... chdir resumed>) = 0 [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 617] setpgid(0, 0) = 0 [pid 617] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 617] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 617] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 617] write(3, "1000", 4) = 4 [pid 617] close(3) = 0 [pid 617] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 617] write(1, "executing program\n", 18) = 18 [pid 617] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 617] close(3) = -1 EBADF (Bad file descriptor) [pid 617] close(4) = -1 EBADF (Bad file descriptor) [pid 617] close(5) = -1 EBADF (Bad file descriptor) [pid 617] close(6) = -1 EBADF (Bad file descriptor) [pid 617] close(7) = -1 EBADF (Bad file descriptor) [pid 617] close(8) = -1 EBADF (Bad file descriptor) [pid 617] close(9) = -1 EBADF (Bad file descriptor) [pid 617] close(10) = -1 EBADF (Bad file descriptor) [pid 617] close(11) = -1 EBADF (Bad file descriptor) [pid 617] close(12) = -1 EBADF (Bad file descriptor) [pid 617] close(13) = -1 EBADF (Bad file descriptor) [pid 617] close(14) = -1 EBADF (Bad file descriptor) [pid 617] close(15) = -1 EBADF (Bad file descriptor) [pid 617] close(16) = -1 EBADF (Bad file descriptor) [pid 617] close(17) = -1 EBADF (Bad file descriptor) [pid 617] close(18) = -1 EBADF (Bad file descriptor) [pid 617] close(19) = -1 EBADF (Bad file descriptor) [pid 617] close(20) = -1 EBADF (Bad file descriptor) [pid 617] close(21) = -1 EBADF (Bad file descriptor) [pid 617] close(22) = -1 EBADF (Bad file descriptor) [pid 617] close(23) = -1 EBADF (Bad file descriptor) [pid 617] close(24) = -1 EBADF (Bad file descriptor) [pid 617] close(25) = -1 EBADF (Bad file descriptor) [pid 617] close(26) = -1 EBADF (Bad file descriptor) [pid 617] close(27) = -1 EBADF (Bad file descriptor) [pid 617] close(28) = -1 EBADF (Bad file descriptor) [pid 617] close(29) = -1 EBADF (Bad file descriptor) [pid 617] exit_group(0) = ? [pid 617] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./319/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./319/binderfs") = 0 [pid 297] umount2("./319/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./319/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./319/cgroup.net") = 0 [pid 297] umount2("./319/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./319/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./319/cgroup.cpu") = 0 [pid 297] umount2("./319/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./319/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./319/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./319") = 0 [pid 297] mkdir("./320", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 322 ./strace-static-x86_64: Process 618 attached [pid 618] set_robust_list(0x555565b1f660, 24) = 0 [pid 618] chdir("./320") = 0 [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 618] setpgid(0, 0) = 0 [pid 618] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 618] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 618] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 618] write(3, "1000", 4) = 4 [pid 618] close(3) = 0 [pid 618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 618] write(1, "executing program\n", 18executing program ) = 18 [ 32.023303][ T616] incfs: Error allocating mount info. -12 [ 32.029201][ T616] incfs: mount failed -12 [ 32.052786][ T617] incfs: Error allocating mount info. -12 [ 32.058592][ T617] incfs: mount failed -12 [pid 618] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 618] close(3) = -1 EBADF (Bad file descriptor) [pid 618] close(4) = -1 EBADF (Bad file descriptor) [pid 618] close(5) = -1 EBADF (Bad file descriptor) [pid 618] close(6) = -1 EBADF (Bad file descriptor) [pid 618] close(7) = -1 EBADF (Bad file descriptor) [pid 618] close(8) = -1 EBADF (Bad file descriptor) [pid 618] close(9) = -1 EBADF (Bad file descriptor) [pid 618] close(10) = -1 EBADF (Bad file descriptor) [pid 618] close(11) = -1 EBADF (Bad file descriptor) [pid 618] close(12) = -1 EBADF (Bad file descriptor) [pid 618] close(13) = -1 EBADF (Bad file descriptor) [pid 618] close(14) = -1 EBADF (Bad file descriptor) [pid 618] close(15) = -1 EBADF (Bad file descriptor) [pid 618] close(16) = -1 EBADF (Bad file descriptor) [pid 618] close(17) = -1 EBADF (Bad file descriptor) [pid 618] close(18) = -1 EBADF (Bad file descriptor) [pid 618] close(19) = -1 EBADF (Bad file descriptor) [pid 618] close(20) = -1 EBADF (Bad file descriptor) [pid 618] close(21) = -1 EBADF (Bad file descriptor) [pid 618] close(22) = -1 EBADF (Bad file descriptor) [pid 618] close(23) = -1 EBADF (Bad file descriptor) [pid 618] close(24) = -1 EBADF (Bad file descriptor) [pid 618] close(25) = -1 EBADF (Bad file descriptor) [pid 618] close(26) = -1 EBADF (Bad file descriptor) [pid 618] close(27) = -1 EBADF (Bad file descriptor) [pid 618] close(28) = -1 EBADF (Bad file descriptor) [pid 618] close(29) = -1 EBADF (Bad file descriptor) [pid 618] exit_group(0) = ? [pid 618] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./320", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./320/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./320/binderfs") = 0 [pid 297] umount2("./320/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./320/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./320/cgroup.net") = 0 [pid 297] umount2("./320/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./320/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./320/cgroup.cpu") = 0 [pid 297] umount2("./320/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./320/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./320/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./320") = 0 [pid 297] mkdir("./321", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 323 ./strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x555565b1f660, 24) = 0 [pid 619] chdir("./321") = 0 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 619] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 619] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 [pid 619] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 619] write(1, "executing program\n", 18) = 18 [pid 619] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 619] close(3) = -1 EBADF (Bad file descriptor) [pid 619] close(4) = -1 EBADF (Bad file descriptor) [pid 619] close(5) = -1 EBADF (Bad file descriptor) [pid 619] close(6) = -1 EBADF (Bad file descriptor) [pid 619] close(7) = -1 EBADF (Bad file descriptor) [pid 619] close(8) = -1 EBADF (Bad file descriptor) [pid 619] close(9) = -1 EBADF (Bad file descriptor) [pid 619] close(10) = -1 EBADF (Bad file descriptor) [pid 619] close(11) = -1 EBADF (Bad file descriptor) [pid 619] close(12) = -1 EBADF (Bad file descriptor) [pid 619] close(13) = -1 EBADF (Bad file descriptor) [pid 619] close(14) = -1 EBADF (Bad file descriptor) [pid 619] close(15) = -1 EBADF (Bad file descriptor) [pid 619] close(16) = -1 EBADF (Bad file descriptor) [pid 619] close(17) = -1 EBADF (Bad file descriptor) [pid 619] close(18) = -1 EBADF (Bad file descriptor) [pid 619] close(19) = -1 EBADF (Bad file descriptor) [pid 619] close(20) = -1 EBADF (Bad file descriptor) [pid 619] close(21) = -1 EBADF (Bad file descriptor) [pid 619] close(22) = -1 EBADF (Bad file descriptor) [pid 619] close(23) = -1 EBADF (Bad file descriptor) [pid 619] close(24) = -1 EBADF (Bad file descriptor) [pid 619] close(25) = -1 EBADF (Bad file descriptor) [pid 619] close(26) = -1 EBADF (Bad file descriptor) [pid 619] close(27) = -1 EBADF (Bad file descriptor) [pid 619] close(28) = -1 EBADF (Bad file descriptor) [pid 619] close(29) = -1 EBADF (Bad file descriptor) [pid 619] exit_group(0) = ? [pid 619] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./321", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./321/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./321/binderfs") = 0 [pid 297] umount2("./321/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./321/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./321/cgroup.net") = 0 [pid 297] umount2("./321/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./321/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./321/cgroup.cpu") = 0 [pid 297] umount2("./321/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./321/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./321/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./321") = 0 [pid 297] mkdir("./322", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 620 attached [pid 620] set_robust_list(0x555565b1f660, 24) = 0 [pid 620] chdir("./322" [pid 297] <... clone resumed>, child_tidptr=0x555565b1f650) = 324 [pid 620] <... chdir resumed>) = 0 [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 620] setpgid(0, 0) = 0 [pid 620] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 620] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 620] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 620] write(1, "executing program\n", 18) = 18 [ 32.076951][ T618] incfs: Error allocating mount info. -12 [ 32.082802][ T618] incfs: mount failed -12 [ 32.104442][ T619] incfs: Error allocating mount info. -12 [ 32.110247][ T619] incfs: mount failed -12 [pid 620] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 620] close(3) = -1 EBADF (Bad file descriptor) [pid 620] close(4) = -1 EBADF (Bad file descriptor) [pid 620] close(5) = -1 EBADF (Bad file descriptor) [pid 620] close(6) = -1 EBADF (Bad file descriptor) [pid 620] close(7) = -1 EBADF (Bad file descriptor) [pid 620] close(8) = -1 EBADF (Bad file descriptor) [pid 620] close(9) = -1 EBADF (Bad file descriptor) [pid 620] close(10) = -1 EBADF (Bad file descriptor) [pid 620] close(11) = -1 EBADF (Bad file descriptor) [pid 620] close(12) = -1 EBADF (Bad file descriptor) [pid 620] close(13) = -1 EBADF (Bad file descriptor) [pid 620] close(14) = -1 EBADF (Bad file descriptor) [pid 620] close(15) = -1 EBADF (Bad file descriptor) [pid 620] close(16) = -1 EBADF (Bad file descriptor) [pid 620] close(17) = -1 EBADF (Bad file descriptor) [pid 620] close(18) = -1 EBADF (Bad file descriptor) [pid 620] close(19) = -1 EBADF (Bad file descriptor) [pid 620] close(20) = -1 EBADF (Bad file descriptor) [pid 620] close(21) = -1 EBADF (Bad file descriptor) [pid 620] close(22) = -1 EBADF (Bad file descriptor) [pid 620] close(23) = -1 EBADF (Bad file descriptor) [pid 620] close(24) = -1 EBADF (Bad file descriptor) [pid 620] close(25) = -1 EBADF (Bad file descriptor) [pid 620] close(26) = -1 EBADF (Bad file descriptor) [pid 620] close(27) = -1 EBADF (Bad file descriptor) [pid 620] close(28) = -1 EBADF (Bad file descriptor) [pid 620] close(29) = -1 EBADF (Bad file descriptor) [pid 620] exit_group(0) = ? [pid 620] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./322", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./322/binderfs") = 0 [pid 297] umount2("./322/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./322/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./322/cgroup.net") = 0 [pid 297] umount2("./322/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./322/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./322/cgroup.cpu") = 0 [pid 297] umount2("./322/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./322/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./322/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./322") = 0 [pid 297] mkdir("./323", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 325 ./strace-static-x86_64: Process 621 attached [pid 621] set_robust_list(0x555565b1f660, 24) = 0 [pid 621] chdir("./323") = 0 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 621] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 621] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 [pid 621] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 621] write(1, "executing program\n", 18) = 18 [pid 621] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 621] close(3) = -1 EBADF (Bad file descriptor) [pid 621] close(4) = -1 EBADF (Bad file descriptor) [pid 621] close(5) = -1 EBADF (Bad file descriptor) [pid 621] close(6) = -1 EBADF (Bad file descriptor) [pid 621] close(7) = -1 EBADF (Bad file descriptor) [pid 621] close(8) = -1 EBADF (Bad file descriptor) [pid 621] close(9) = -1 EBADF (Bad file descriptor) [pid 621] close(10) = -1 EBADF (Bad file descriptor) [pid 621] close(11) = -1 EBADF (Bad file descriptor) [pid 621] close(12) = -1 EBADF (Bad file descriptor) [pid 621] close(13) = -1 EBADF (Bad file descriptor) [pid 621] close(14) = -1 EBADF (Bad file descriptor) [pid 621] close(15) = -1 EBADF (Bad file descriptor) [pid 621] close(16) = -1 EBADF (Bad file descriptor) [pid 621] close(17) = -1 EBADF (Bad file descriptor) [pid 621] close(18) = -1 EBADF (Bad file descriptor) [pid 621] close(19) = -1 EBADF (Bad file descriptor) [pid 621] close(20) = -1 EBADF (Bad file descriptor) [pid 621] close(21) = -1 EBADF (Bad file descriptor) [pid 621] close(22) = -1 EBADF (Bad file descriptor) [pid 621] close(23) = -1 EBADF (Bad file descriptor) [pid 621] close(24) = -1 EBADF (Bad file descriptor) [pid 621] close(25) = -1 EBADF (Bad file descriptor) [pid 621] close(26) = -1 EBADF (Bad file descriptor) [pid 621] close(27) = -1 EBADF (Bad file descriptor) [pid 621] close(28) = -1 EBADF (Bad file descriptor) [pid 621] close(29) = -1 EBADF (Bad file descriptor) [pid 621] exit_group(0) = ? [pid 621] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./323", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./323/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./323/binderfs") = 0 [pid 297] umount2("./323/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./323/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./323/cgroup.net") = 0 [pid 297] umount2("./323/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./323/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./323/cgroup.cpu") = 0 [pid 297] umount2("./323/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./323/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./323/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./323") = 0 [pid 297] mkdir("./324", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 622 attached , child_tidptr=0x555565b1f650) = 326 [pid 622] set_robust_list(0x555565b1f660, 24) = 0 [pid 622] chdir("./324") = 0 [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 622] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 622] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 622] write(3, "1000", 4) = 4 [pid 622] close(3) = 0 [pid 622] symlink("/dev/binderfs", "./binderfs") = 0 [pid 622] write(1, "executing program\n", 18executing program ) = 18 [ 32.129603][ T620] incfs: Error allocating mount info. -12 [ 32.135367][ T620] incfs: mount failed -12 [ 32.156568][ T621] incfs: Error allocating mount info. -12 [ 32.162367][ T621] incfs: mount failed -12 [pid 622] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 622] close(3) = -1 EBADF (Bad file descriptor) [pid 622] close(4) = -1 EBADF (Bad file descriptor) [pid 622] close(5) = -1 EBADF (Bad file descriptor) [pid 622] close(6) = -1 EBADF (Bad file descriptor) [pid 622] close(7) = -1 EBADF (Bad file descriptor) [pid 622] close(8) = -1 EBADF (Bad file descriptor) [pid 622] close(9) = -1 EBADF (Bad file descriptor) [pid 622] close(10) = -1 EBADF (Bad file descriptor) [pid 622] close(11) = -1 EBADF (Bad file descriptor) [pid 622] close(12) = -1 EBADF (Bad file descriptor) [pid 622] close(13) = -1 EBADF (Bad file descriptor) [pid 622] close(14) = -1 EBADF (Bad file descriptor) [pid 622] close(15) = -1 EBADF (Bad file descriptor) [pid 622] close(16) = -1 EBADF (Bad file descriptor) [pid 622] close(17) = -1 EBADF (Bad file descriptor) [pid 622] close(18) = -1 EBADF (Bad file descriptor) [pid 622] close(19) = -1 EBADF (Bad file descriptor) [pid 622] close(20) = -1 EBADF (Bad file descriptor) [pid 622] close(21) = -1 EBADF (Bad file descriptor) [pid 622] close(22) = -1 EBADF (Bad file descriptor) [pid 622] close(23) = -1 EBADF (Bad file descriptor) [pid 622] close(24) = -1 EBADF (Bad file descriptor) [pid 622] close(25) = -1 EBADF (Bad file descriptor) [pid 622] close(26) = -1 EBADF (Bad file descriptor) [pid 622] close(27) = -1 EBADF (Bad file descriptor) [pid 622] close(28) = -1 EBADF (Bad file descriptor) [pid 622] close(29) = -1 EBADF (Bad file descriptor) [pid 622] exit_group(0) = ? [pid 622] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./324", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./324/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./324/binderfs") = 0 [pid 297] umount2("./324/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./324/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./324/cgroup.net") = 0 [pid 297] umount2("./324/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./324/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./324/cgroup.cpu") = 0 [pid 297] umount2("./324/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./324/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./324/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./324") = 0 [pid 297] mkdir("./325", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 623 attached , child_tidptr=0x555565b1f650) = 327 [pid 623] set_robust_list(0x555565b1f660, 24) = 0 [pid 623] chdir("./325") = 0 [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 623] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 623] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 [pid 623] symlink("/dev/binderfs", "./binderfs") = 0 [pid 623] write(1, "executing program\n", 18executing program ) = 18 [pid 623] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 623] close(3) = -1 EBADF (Bad file descriptor) [pid 623] close(4) = -1 EBADF (Bad file descriptor) [pid 623] close(5) = -1 EBADF (Bad file descriptor) [pid 623] close(6) = -1 EBADF (Bad file descriptor) [pid 623] close(7) = -1 EBADF (Bad file descriptor) [pid 623] close(8) = -1 EBADF (Bad file descriptor) [pid 623] close(9) = -1 EBADF (Bad file descriptor) [pid 623] close(10) = -1 EBADF (Bad file descriptor) [pid 623] close(11) = -1 EBADF (Bad file descriptor) [pid 623] close(12) = -1 EBADF (Bad file descriptor) [pid 623] close(13) = -1 EBADF (Bad file descriptor) [pid 623] close(14) = -1 EBADF (Bad file descriptor) [pid 623] close(15) = -1 EBADF (Bad file descriptor) [pid 623] close(16) = -1 EBADF (Bad file descriptor) [pid 623] close(17) = -1 EBADF (Bad file descriptor) [pid 623] close(18) = -1 EBADF (Bad file descriptor) [pid 623] close(19) = -1 EBADF (Bad file descriptor) [pid 623] close(20) = -1 EBADF (Bad file descriptor) [pid 623] close(21) = -1 EBADF (Bad file descriptor) [pid 623] close(22) = -1 EBADF (Bad file descriptor) [pid 623] close(23) = -1 EBADF (Bad file descriptor) [pid 623] close(24) = -1 EBADF (Bad file descriptor) [pid 623] close(25) = -1 EBADF (Bad file descriptor) [pid 623] close(26) = -1 EBADF (Bad file descriptor) [pid 623] close(27) = -1 EBADF (Bad file descriptor) [pid 623] close(28) = -1 EBADF (Bad file descriptor) [pid 623] close(29) = -1 EBADF (Bad file descriptor) [pid 623] exit_group(0) = ? [pid 623] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./325", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./325/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./325/binderfs") = 0 [pid 297] umount2("./325/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./325/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./325/cgroup.net") = 0 [pid 297] umount2("./325/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./325/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./325/cgroup.cpu") = 0 [pid 297] umount2("./325/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./325/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./325/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./325") = 0 [pid 297] mkdir("./326", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 328 ./strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x555565b1f660, 24) = 0 [pid 624] chdir("./326") = 0 [pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 624] setpgid(0, 0) = 0 [pid 624] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 624] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 624] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 624] write(3, "1000", 4) = 4 [pid 624] close(3) = 0 [pid 624] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 624] write(1, "executing program\n", 18) = 18 [ 32.184349][ T622] incfs: Error allocating mount info. -12 [ 32.190164][ T622] incfs: mount failed -12 [ 32.209259][ T623] incfs: Error allocating mount info. -12 [ 32.214993][ T623] incfs: mount failed -12 [pid 624] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 624] close(3) = -1 EBADF (Bad file descriptor) [pid 624] close(4) = -1 EBADF (Bad file descriptor) [pid 624] close(5) = -1 EBADF (Bad file descriptor) [pid 624] close(6) = -1 EBADF (Bad file descriptor) [pid 624] close(7) = -1 EBADF (Bad file descriptor) [pid 624] close(8) = -1 EBADF (Bad file descriptor) [pid 624] close(9) = -1 EBADF (Bad file descriptor) [pid 624] close(10) = -1 EBADF (Bad file descriptor) [pid 624] close(11) = -1 EBADF (Bad file descriptor) [pid 624] close(12) = -1 EBADF (Bad file descriptor) [pid 624] close(13) = -1 EBADF (Bad file descriptor) [pid 624] close(14) = -1 EBADF (Bad file descriptor) [pid 624] close(15) = -1 EBADF (Bad file descriptor) [pid 624] close(16) = -1 EBADF (Bad file descriptor) [pid 624] close(17) = -1 EBADF (Bad file descriptor) [pid 624] close(18) = -1 EBADF (Bad file descriptor) [pid 624] close(19) = -1 EBADF (Bad file descriptor) [pid 624] close(20) = -1 EBADF (Bad file descriptor) [pid 624] close(21) = -1 EBADF (Bad file descriptor) [pid 624] close(22) = -1 EBADF (Bad file descriptor) [pid 624] close(23) = -1 EBADF (Bad file descriptor) [pid 624] close(24) = -1 EBADF (Bad file descriptor) [pid 624] close(25) = -1 EBADF (Bad file descriptor) [pid 624] close(26) = -1 EBADF (Bad file descriptor) [pid 624] close(27) = -1 EBADF (Bad file descriptor) [pid 624] close(28) = -1 EBADF (Bad file descriptor) [pid 624] close(29) = -1 EBADF (Bad file descriptor) [pid 624] exit_group(0) = ? [pid 624] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./326", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./326/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./326/binderfs") = 0 [pid 297] umount2("./326/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./326/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./326/cgroup.net") = 0 [pid 297] umount2("./326/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./326/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./326/cgroup.cpu") = 0 [pid 297] umount2("./326/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./326/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./326/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./326") = 0 [pid 297] mkdir("./327", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 329 ./strace-static-x86_64: Process 625 attached [pid 625] set_robust_list(0x555565b1f660, 24) = 0 [pid 625] chdir("./327") = 0 [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 625] setpgid(0, 0) = 0 [pid 625] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 625] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 625] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 625] write(1, "executing program\n", 18) = 18 [pid 625] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 625] close(3) = -1 EBADF (Bad file descriptor) [pid 625] close(4) = -1 EBADF (Bad file descriptor) [pid 625] close(5) = -1 EBADF (Bad file descriptor) [pid 625] close(6) = -1 EBADF (Bad file descriptor) [pid 625] close(7) = -1 EBADF (Bad file descriptor) [pid 625] close(8) = -1 EBADF (Bad file descriptor) [pid 625] close(9) = -1 EBADF (Bad file descriptor) [pid 625] close(10) = -1 EBADF (Bad file descriptor) [pid 625] close(11) = -1 EBADF (Bad file descriptor) [pid 625] close(12) = -1 EBADF (Bad file descriptor) [pid 625] close(13) = -1 EBADF (Bad file descriptor) [pid 625] close(14) = -1 EBADF (Bad file descriptor) [pid 625] close(15) = -1 EBADF (Bad file descriptor) [pid 625] close(16) = -1 EBADF (Bad file descriptor) [pid 625] close(17) = -1 EBADF (Bad file descriptor) [pid 625] close(18) = -1 EBADF (Bad file descriptor) [pid 625] close(19) = -1 EBADF (Bad file descriptor) [pid 625] close(20) = -1 EBADF (Bad file descriptor) [pid 625] close(21) = -1 EBADF (Bad file descriptor) [pid 625] close(22) = -1 EBADF (Bad file descriptor) [pid 625] close(23) = -1 EBADF (Bad file descriptor) [pid 625] close(24) = -1 EBADF (Bad file descriptor) [pid 625] close(25) = -1 EBADF (Bad file descriptor) [pid 625] close(26) = -1 EBADF (Bad file descriptor) [pid 625] close(27) = -1 EBADF (Bad file descriptor) [pid 625] close(28) = -1 EBADF (Bad file descriptor) [pid 625] close(29) = -1 EBADF (Bad file descriptor) [pid 625] exit_group(0) = ? [pid 625] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./327", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./327/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./327/binderfs") = 0 [pid 297] umount2("./327/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./327/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./327/cgroup.net") = 0 [pid 297] umount2("./327/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./327/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./327/cgroup.cpu") = 0 [pid 297] umount2("./327/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./327/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./327/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./327") = 0 [pid 297] mkdir("./328", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 626 attached , child_tidptr=0x555565b1f650) = 330 [pid 626] set_robust_list(0x555565b1f660, 24) = 0 [pid 626] chdir("./328") = 0 [pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 626] setpgid(0, 0) = 0 [pid 626] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 626] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 626] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 626] write(3, "1000", 4) = 4 [pid 626] close(3) = 0 [pid 626] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 626] write(1, "executing program\n", 18) = 18 [ 32.238830][ T624] incfs: Error allocating mount info. -12 [ 32.244577][ T624] incfs: mount failed -12 [ 32.267010][ T625] incfs: Error allocating mount info. -12 [ 32.272794][ T625] incfs: mount failed -12 [pid 626] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 626] close(3) = -1 EBADF (Bad file descriptor) [pid 626] close(4) = -1 EBADF (Bad file descriptor) [pid 626] close(5) = -1 EBADF (Bad file descriptor) [pid 626] close(6) = -1 EBADF (Bad file descriptor) [pid 626] close(7) = -1 EBADF (Bad file descriptor) [pid 626] close(8) = -1 EBADF (Bad file descriptor) [pid 626] close(9) = -1 EBADF (Bad file descriptor) [pid 626] close(10) = -1 EBADF (Bad file descriptor) [pid 626] close(11) = -1 EBADF (Bad file descriptor) [pid 626] close(12) = -1 EBADF (Bad file descriptor) [pid 626] close(13) = -1 EBADF (Bad file descriptor) [pid 626] close(14) = -1 EBADF (Bad file descriptor) [pid 626] close(15) = -1 EBADF (Bad file descriptor) [pid 626] close(16) = -1 EBADF (Bad file descriptor) [pid 626] close(17) = -1 EBADF (Bad file descriptor) [pid 626] close(18) = -1 EBADF (Bad file descriptor) [pid 626] close(19) = -1 EBADF (Bad file descriptor) [pid 626] close(20) = -1 EBADF (Bad file descriptor) [pid 626] close(21) = -1 EBADF (Bad file descriptor) [pid 626] close(22) = -1 EBADF (Bad file descriptor) [pid 626] close(23) = -1 EBADF (Bad file descriptor) [pid 626] close(24) = -1 EBADF (Bad file descriptor) [pid 626] close(25) = -1 EBADF (Bad file descriptor) [pid 626] close(26) = -1 EBADF (Bad file descriptor) [pid 626] close(27) = -1 EBADF (Bad file descriptor) [pid 626] close(28) = -1 EBADF (Bad file descriptor) [pid 626] close(29) = -1 EBADF (Bad file descriptor) [pid 626] exit_group(0) = ? [pid 626] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./328", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./328/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./328/binderfs") = 0 [pid 297] umount2("./328/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./328/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./328/cgroup.net") = 0 [pid 297] umount2("./328/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./328/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./328/cgroup.cpu") = 0 [pid 297] umount2("./328/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./328/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./328/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./328") = 0 [pid 297] mkdir("./329", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 627 attached , child_tidptr=0x555565b1f650) = 331 [pid 627] set_robust_list(0x555565b1f660, 24) = 0 [pid 627] chdir("./329") = 0 [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 627] setpgid(0, 0) = 0 [pid 627] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 627] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 627] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 627] write(3, "1000", 4) = 4 [pid 627] close(3) = 0 [pid 627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 627] write(1, "executing program\n", 18executing program ) = 18 [pid 627] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 627] close(3) = -1 EBADF (Bad file descriptor) [pid 627] close(4) = -1 EBADF (Bad file descriptor) [pid 627] close(5) = -1 EBADF (Bad file descriptor) [pid 627] close(6) = -1 EBADF (Bad file descriptor) [pid 627] close(7) = -1 EBADF (Bad file descriptor) [pid 627] close(8) = -1 EBADF (Bad file descriptor) [pid 627] close(9) = -1 EBADF (Bad file descriptor) [pid 627] close(10) = -1 EBADF (Bad file descriptor) [pid 627] close(11) = -1 EBADF (Bad file descriptor) [pid 627] close(12) = -1 EBADF (Bad file descriptor) [pid 627] close(13) = -1 EBADF (Bad file descriptor) [pid 627] close(14) = -1 EBADF (Bad file descriptor) [pid 627] close(15) = -1 EBADF (Bad file descriptor) [pid 627] close(16) = -1 EBADF (Bad file descriptor) [pid 627] close(17) = -1 EBADF (Bad file descriptor) [pid 627] close(18) = -1 EBADF (Bad file descriptor) [pid 627] close(19) = -1 EBADF (Bad file descriptor) [pid 627] close(20) = -1 EBADF (Bad file descriptor) [pid 627] close(21) = -1 EBADF (Bad file descriptor) [pid 627] close(22) = -1 EBADF (Bad file descriptor) [pid 627] close(23) = -1 EBADF (Bad file descriptor) [pid 627] close(24) = -1 EBADF (Bad file descriptor) [pid 627] close(25) = -1 EBADF (Bad file descriptor) [pid 627] close(26) = -1 EBADF (Bad file descriptor) [pid 627] close(27) = -1 EBADF (Bad file descriptor) [pid 627] close(28) = -1 EBADF (Bad file descriptor) [pid 627] close(29) = -1 EBADF (Bad file descriptor) [pid 627] exit_group(0) = ? [pid 627] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./329", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./329/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./329/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./329/binderfs") = 0 [pid 297] umount2("./329/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./329/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./329/cgroup.net") = 0 [pid 297] umount2("./329/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./329/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./329/cgroup.cpu") = 0 [pid 297] umount2("./329/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./329/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./329/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./329") = 0 [pid 297] mkdir("./330", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 332 ./strace-static-x86_64: Process 628 attached [pid 628] set_robust_list(0x555565b1f660, 24) = 0 [pid 628] chdir("./330") = 0 [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 628] setpgid(0, 0) = 0 [pid 628] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 628] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 628] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 628] write(3, "1000", 4) = 4 [pid 628] close(3) = 0 [pid 628] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 628] write(1, "executing program\n", 18) = 18 [ 32.291184][ T626] incfs: Error allocating mount info. -12 [ 32.296915][ T626] incfs: mount failed -12 [ 32.318296][ T627] incfs: Error allocating mount info. -12 [ 32.324083][ T627] incfs: mount failed -12 [pid 628] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 628] close(3) = -1 EBADF (Bad file descriptor) [pid 628] close(4) = -1 EBADF (Bad file descriptor) [pid 628] close(5) = -1 EBADF (Bad file descriptor) [pid 628] close(6) = -1 EBADF (Bad file descriptor) [pid 628] close(7) = -1 EBADF (Bad file descriptor) [pid 628] close(8) = -1 EBADF (Bad file descriptor) [pid 628] close(9) = -1 EBADF (Bad file descriptor) [pid 628] close(10) = -1 EBADF (Bad file descriptor) [pid 628] close(11) = -1 EBADF (Bad file descriptor) [pid 628] close(12) = -1 EBADF (Bad file descriptor) [pid 628] close(13) = -1 EBADF (Bad file descriptor) [pid 628] close(14) = -1 EBADF (Bad file descriptor) [pid 628] close(15) = -1 EBADF (Bad file descriptor) [pid 628] close(16) = -1 EBADF (Bad file descriptor) [pid 628] close(17) = -1 EBADF (Bad file descriptor) [pid 628] close(18) = -1 EBADF (Bad file descriptor) [pid 628] close(19) = -1 EBADF (Bad file descriptor) [pid 628] close(20) = -1 EBADF (Bad file descriptor) [pid 628] close(21) = -1 EBADF (Bad file descriptor) [pid 628] close(22) = -1 EBADF (Bad file descriptor) [pid 628] close(23) = -1 EBADF (Bad file descriptor) [pid 628] close(24) = -1 EBADF (Bad file descriptor) [pid 628] close(25) = -1 EBADF (Bad file descriptor) [pid 628] close(26) = -1 EBADF (Bad file descriptor) [pid 628] close(27) = -1 EBADF (Bad file descriptor) [pid 628] close(28) = -1 EBADF (Bad file descriptor) [pid 628] close(29) = -1 EBADF (Bad file descriptor) [pid 628] exit_group(0) = ? [pid 628] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./330", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./330/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./330/binderfs") = 0 [pid 297] umount2("./330/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./330/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./330/cgroup.net") = 0 [pid 297] umount2("./330/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./330/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./330/cgroup.cpu") = 0 [pid 297] umount2("./330/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./330/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./330/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./330") = 0 [pid 297] mkdir("./331", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 333 ./strace-static-x86_64: Process 629 attached [pid 629] set_robust_list(0x555565b1f660, 24) = 0 [pid 629] chdir("./331") = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 629] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 629] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 629] close(3) = 0 [pid 629] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 629] write(1, "executing program\n", 18) = 18 [pid 629] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 629] close(3) = -1 EBADF (Bad file descriptor) [pid 629] close(4) = -1 EBADF (Bad file descriptor) [pid 629] close(5) = -1 EBADF (Bad file descriptor) [pid 629] close(6) = -1 EBADF (Bad file descriptor) [pid 629] close(7) = -1 EBADF (Bad file descriptor) [pid 629] close(8) = -1 EBADF (Bad file descriptor) [pid 629] close(9) = -1 EBADF (Bad file descriptor) [pid 629] close(10) = -1 EBADF (Bad file descriptor) [pid 629] close(11) = -1 EBADF (Bad file descriptor) [pid 629] close(12) = -1 EBADF (Bad file descriptor) [pid 629] close(13) = -1 EBADF (Bad file descriptor) [pid 629] close(14) = -1 EBADF (Bad file descriptor) [pid 629] close(15) = -1 EBADF (Bad file descriptor) [pid 629] close(16) = -1 EBADF (Bad file descriptor) [pid 629] close(17) = -1 EBADF (Bad file descriptor) [pid 629] close(18) = -1 EBADF (Bad file descriptor) [pid 629] close(19) = -1 EBADF (Bad file descriptor) [pid 629] close(20) = -1 EBADF (Bad file descriptor) [pid 629] close(21) = -1 EBADF (Bad file descriptor) [pid 629] close(22) = -1 EBADF (Bad file descriptor) [pid 629] close(23) = -1 EBADF (Bad file descriptor) [pid 629] close(24) = -1 EBADF (Bad file descriptor) [pid 629] close(25) = -1 EBADF (Bad file descriptor) [pid 629] close(26) = -1 EBADF (Bad file descriptor) [pid 629] close(27) = -1 EBADF (Bad file descriptor) [pid 629] close(28) = -1 EBADF (Bad file descriptor) [pid 629] close(29) = -1 EBADF (Bad file descriptor) [pid 629] exit_group(0) = ? [pid 629] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./331", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./331/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./331/binderfs") = 0 [pid 297] umount2("./331/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./331/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./331/cgroup.net") = 0 [pid 297] umount2("./331/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./331/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./331/cgroup.cpu") = 0 [pid 297] umount2("./331/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./331/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./331/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./331") = 0 [pid 297] mkdir("./332", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 630 attached , child_tidptr=0x555565b1f650) = 334 [pid 630] set_robust_list(0x555565b1f660, 24) = 0 [pid 630] chdir("./332") = 0 [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 630] setpgid(0, 0) = 0 [pid 630] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 630] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 630] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 630] write(3, "1000", 4) = 4 [pid 630] close(3) = 0 [pid 630] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 630] write(1, "executing program\n", 18) = 18 [ 32.346461][ T628] incfs: Error allocating mount info. -12 [ 32.352248][ T628] incfs: mount failed -12 [ 32.373856][ T629] incfs: Error allocating mount info. -12 [ 32.379634][ T629] incfs: mount failed -12 [pid 630] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 630] close(3) = -1 EBADF (Bad file descriptor) [pid 630] close(4) = -1 EBADF (Bad file descriptor) [pid 630] close(5) = -1 EBADF (Bad file descriptor) [pid 630] close(6) = -1 EBADF (Bad file descriptor) [pid 630] close(7) = -1 EBADF (Bad file descriptor) [pid 630] close(8) = -1 EBADF (Bad file descriptor) [pid 630] close(9) = -1 EBADF (Bad file descriptor) [pid 630] close(10) = -1 EBADF (Bad file descriptor) [pid 630] close(11) = -1 EBADF (Bad file descriptor) [pid 630] close(12) = -1 EBADF (Bad file descriptor) [pid 630] close(13) = -1 EBADF (Bad file descriptor) [pid 630] close(14) = -1 EBADF (Bad file descriptor) [pid 630] close(15) = -1 EBADF (Bad file descriptor) [pid 630] close(16) = -1 EBADF (Bad file descriptor) [pid 630] close(17) = -1 EBADF (Bad file descriptor) [pid 630] close(18) = -1 EBADF (Bad file descriptor) [pid 630] close(19) = -1 EBADF (Bad file descriptor) [pid 630] close(20) = -1 EBADF (Bad file descriptor) [pid 630] close(21) = -1 EBADF (Bad file descriptor) [pid 630] close(22) = -1 EBADF (Bad file descriptor) [pid 630] close(23) = -1 EBADF (Bad file descriptor) [pid 630] close(24) = -1 EBADF (Bad file descriptor) [pid 630] close(25) = -1 EBADF (Bad file descriptor) [pid 630] close(26) = -1 EBADF (Bad file descriptor) [pid 630] close(27) = -1 EBADF (Bad file descriptor) [pid 630] close(28) = -1 EBADF (Bad file descriptor) [pid 630] close(29) = -1 EBADF (Bad file descriptor) [pid 630] exit_group(0) = ? [pid 630] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./332", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./332/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./332/binderfs") = 0 [pid 297] umount2("./332/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./332/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./332/cgroup.net") = 0 [pid 297] umount2("./332/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./332/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./332/cgroup.cpu") = 0 [pid 297] umount2("./332/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./332/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./332/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./332") = 0 [pid 297] mkdir("./333", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 631 attached , child_tidptr=0x555565b1f650) = 335 [pid 631] set_robust_list(0x555565b1f660, 24) = 0 [pid 631] chdir("./333") = 0 [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 631] setpgid(0, 0) = 0 [pid 631] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 631] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 631] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 631] write(3, "1000", 4) = 4 [pid 631] close(3) = 0 [pid 631] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 631] write(1, "executing program\n", 18) = 18 [pid 631] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 631] close(3) = -1 EBADF (Bad file descriptor) [pid 631] close(4) = -1 EBADF (Bad file descriptor) [pid 631] close(5) = -1 EBADF (Bad file descriptor) [pid 631] close(6) = -1 EBADF (Bad file descriptor) [pid 631] close(7) = -1 EBADF (Bad file descriptor) [pid 631] close(8) = -1 EBADF (Bad file descriptor) [pid 631] close(9) = -1 EBADF (Bad file descriptor) [pid 631] close(10) = -1 EBADF (Bad file descriptor) [pid 631] close(11) = -1 EBADF (Bad file descriptor) [pid 631] close(12) = -1 EBADF (Bad file descriptor) [pid 631] close(13) = -1 EBADF (Bad file descriptor) [pid 631] close(14) = -1 EBADF (Bad file descriptor) [pid 631] close(15) = -1 EBADF (Bad file descriptor) [pid 631] close(16) = -1 EBADF (Bad file descriptor) [pid 631] close(17) = -1 EBADF (Bad file descriptor) [pid 631] close(18) = -1 EBADF (Bad file descriptor) [pid 631] close(19) = -1 EBADF (Bad file descriptor) [pid 631] close(20) = -1 EBADF (Bad file descriptor) [pid 631] close(21) = -1 EBADF (Bad file descriptor) [pid 631] close(22) = -1 EBADF (Bad file descriptor) [pid 631] close(23) = -1 EBADF (Bad file descriptor) [pid 631] close(24) = -1 EBADF (Bad file descriptor) [pid 631] close(25) = -1 EBADF (Bad file descriptor) [pid 631] close(26) = -1 EBADF (Bad file descriptor) [pid 631] close(27) = -1 EBADF (Bad file descriptor) [pid 631] close(28) = -1 EBADF (Bad file descriptor) [pid 631] close(29) = -1 EBADF (Bad file descriptor) [pid 631] exit_group(0) = ? [pid 631] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./333", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./333/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./333/binderfs") = 0 [pid 297] umount2("./333/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./333/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./333/cgroup.net") = 0 [pid 297] umount2("./333/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./333/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./333/cgroup.cpu") = 0 [pid 297] umount2("./333/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./333/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./333/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./333") = 0 [pid 297] mkdir("./334", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 336 ./strace-static-x86_64: Process 632 attached [pid 632] set_robust_list(0x555565b1f660, 24) = 0 [pid 632] chdir("./334") = 0 [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 632] setpgid(0, 0) = 0 [pid 632] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 632] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 632] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 632] write(3, "1000", 4) = 4 [pid 632] close(3) = 0 [pid 632] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 632] write(1, "executing program\n", 18) = 18 [ 32.401055][ T630] incfs: Error allocating mount info. -12 [ 32.406789][ T630] incfs: mount failed -12 [ 32.424436][ T631] incfs: Error allocating mount info. -12 [ 32.430213][ T631] incfs: mount failed -12 [pid 632] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 632] close(3) = -1 EBADF (Bad file descriptor) [pid 632] close(4) = -1 EBADF (Bad file descriptor) [pid 632] close(5) = -1 EBADF (Bad file descriptor) [pid 632] close(6) = -1 EBADF (Bad file descriptor) [pid 632] close(7) = -1 EBADF (Bad file descriptor) [pid 632] close(8) = -1 EBADF (Bad file descriptor) [pid 632] close(9) = -1 EBADF (Bad file descriptor) [pid 632] close(10) = -1 EBADF (Bad file descriptor) [pid 632] close(11) = -1 EBADF (Bad file descriptor) [pid 632] close(12) = -1 EBADF (Bad file descriptor) [pid 632] close(13) = -1 EBADF (Bad file descriptor) [pid 632] close(14) = -1 EBADF (Bad file descriptor) [pid 632] close(15) = -1 EBADF (Bad file descriptor) [pid 632] close(16) = -1 EBADF (Bad file descriptor) [pid 632] close(17) = -1 EBADF (Bad file descriptor) [pid 632] close(18) = -1 EBADF (Bad file descriptor) [pid 632] close(19) = -1 EBADF (Bad file descriptor) [pid 632] close(20) = -1 EBADF (Bad file descriptor) [pid 632] close(21) = -1 EBADF (Bad file descriptor) [pid 632] close(22) = -1 EBADF (Bad file descriptor) [pid 632] close(23) = -1 EBADF (Bad file descriptor) [pid 632] close(24) = -1 EBADF (Bad file descriptor) [pid 632] close(25) = -1 EBADF (Bad file descriptor) [pid 632] close(26) = -1 EBADF (Bad file descriptor) [pid 632] close(27) = -1 EBADF (Bad file descriptor) [pid 632] close(28) = -1 EBADF (Bad file descriptor) [pid 632] close(29) = -1 EBADF (Bad file descriptor) [pid 632] exit_group(0) = ? [pid 632] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./334", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./334/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./334/binderfs") = 0 [pid 297] umount2("./334/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./334/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./334/cgroup.net") = 0 [pid 297] umount2("./334/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./334/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./334/cgroup.cpu") = 0 [pid 297] umount2("./334/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./334/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./334/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./334") = 0 [pid 297] mkdir("./335", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 337 ./strace-static-x86_64: Process 633 attached [pid 633] set_robust_list(0x555565b1f660, 24) = 0 [pid 633] chdir("./335") = 0 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 633] setpgid(0, 0) = 0 [pid 633] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 633] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 633] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 633] write(3, "1000", 4) = 4 [pid 633] close(3) = 0 [pid 633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 633] write(1, "executing program\n", 18executing program ) = 18 [pid 633] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 633] close(3) = -1 EBADF (Bad file descriptor) [pid 633] close(4) = -1 EBADF (Bad file descriptor) [pid 633] close(5) = -1 EBADF (Bad file descriptor) [pid 633] close(6) = -1 EBADF (Bad file descriptor) [pid 633] close(7) = -1 EBADF (Bad file descriptor) [pid 633] close(8) = -1 EBADF (Bad file descriptor) [pid 633] close(9) = -1 EBADF (Bad file descriptor) [pid 633] close(10) = -1 EBADF (Bad file descriptor) [pid 633] close(11) = -1 EBADF (Bad file descriptor) [pid 633] close(12) = -1 EBADF (Bad file descriptor) [pid 633] close(13) = -1 EBADF (Bad file descriptor) [pid 633] close(14) = -1 EBADF (Bad file descriptor) [pid 633] close(15) = -1 EBADF (Bad file descriptor) [pid 633] close(16) = -1 EBADF (Bad file descriptor) [pid 633] close(17) = -1 EBADF (Bad file descriptor) [pid 633] close(18) = -1 EBADF (Bad file descriptor) [pid 633] close(19) = -1 EBADF (Bad file descriptor) [pid 633] close(20) = -1 EBADF (Bad file descriptor) [pid 633] close(21) = -1 EBADF (Bad file descriptor) [pid 633] close(22) = -1 EBADF (Bad file descriptor) [pid 633] close(23) = -1 EBADF (Bad file descriptor) [pid 633] close(24) = -1 EBADF (Bad file descriptor) [pid 633] close(25) = -1 EBADF (Bad file descriptor) [pid 633] close(26) = -1 EBADF (Bad file descriptor) [pid 633] close(27) = -1 EBADF (Bad file descriptor) [pid 633] close(28) = -1 EBADF (Bad file descriptor) [pid 633] close(29) = -1 EBADF (Bad file descriptor) [pid 633] exit_group(0) = ? [pid 633] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./335", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./335/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./335/binderfs") = 0 [pid 297] umount2("./335/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./335/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./335/cgroup.net") = 0 [pid 297] umount2("./335/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./335/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./335/cgroup.cpu") = 0 [pid 297] umount2("./335/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./335/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./335/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./335") = 0 [pid 297] mkdir("./336", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 338 ./strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x555565b1f660, 24) = 0 [pid 634] chdir("./336") = 0 [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0) = 0 [pid 634] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 634] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 634] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 [pid 634] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 634] write(1, "executing program\n", 18) = 18 [ 32.447331][ T632] incfs: Error allocating mount info. -12 [ 32.453132][ T632] incfs: mount failed -12 [ 32.476113][ T633] incfs: Error allocating mount info. -12 [ 32.481904][ T633] incfs: mount failed -12 [pid 634] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 634] close(3) = -1 EBADF (Bad file descriptor) [pid 634] close(4) = -1 EBADF (Bad file descriptor) [pid 634] close(5) = -1 EBADF (Bad file descriptor) [pid 634] close(6) = -1 EBADF (Bad file descriptor) [pid 634] close(7) = -1 EBADF (Bad file descriptor) [pid 634] close(8) = -1 EBADF (Bad file descriptor) [pid 634] close(9) = -1 EBADF (Bad file descriptor) [pid 634] close(10) = -1 EBADF (Bad file descriptor) [pid 634] close(11) = -1 EBADF (Bad file descriptor) [pid 634] close(12) = -1 EBADF (Bad file descriptor) [pid 634] close(13) = -1 EBADF (Bad file descriptor) [pid 634] close(14) = -1 EBADF (Bad file descriptor) [pid 634] close(15) = -1 EBADF (Bad file descriptor) [pid 634] close(16) = -1 EBADF (Bad file descriptor) [pid 634] close(17) = -1 EBADF (Bad file descriptor) [pid 634] close(18) = -1 EBADF (Bad file descriptor) [pid 634] close(19) = -1 EBADF (Bad file descriptor) [pid 634] close(20) = -1 EBADF (Bad file descriptor) [pid 634] close(21) = -1 EBADF (Bad file descriptor) [pid 634] close(22) = -1 EBADF (Bad file descriptor) [pid 634] close(23) = -1 EBADF (Bad file descriptor) [pid 634] close(24) = -1 EBADF (Bad file descriptor) [pid 634] close(25) = -1 EBADF (Bad file descriptor) [pid 634] close(26) = -1 EBADF (Bad file descriptor) [pid 634] close(27) = -1 EBADF (Bad file descriptor) [pid 634] close(28) = -1 EBADF (Bad file descriptor) [pid 634] close(29) = -1 EBADF (Bad file descriptor) [pid 634] exit_group(0) = ? [pid 634] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./336", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./336/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./336/binderfs") = 0 [pid 297] umount2("./336/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./336/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./336/cgroup.net") = 0 [pid 297] umount2("./336/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./336/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./336/cgroup.cpu") = 0 [pid 297] umount2("./336/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./336/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./336/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./336") = 0 [pid 297] mkdir("./337", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 339 ./strace-static-x86_64: Process 635 attached [pid 635] set_robust_list(0x555565b1f660, 24) = 0 [pid 635] chdir("./337") = 0 [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 635] setpgid(0, 0) = 0 [pid 635] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 635] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 635] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 635] write(3, "1000", 4) = 4 [pid 635] close(3) = 0 [pid 635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 635] write(1, "executing program\n", 18executing program ) = 18 [pid 635] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 635] close(3) = -1 EBADF (Bad file descriptor) [pid 635] close(4) = -1 EBADF (Bad file descriptor) [pid 635] close(5) = -1 EBADF (Bad file descriptor) [pid 635] close(6) = -1 EBADF (Bad file descriptor) [pid 635] close(7) = -1 EBADF (Bad file descriptor) [pid 635] close(8) = -1 EBADF (Bad file descriptor) [pid 635] close(9) = -1 EBADF (Bad file descriptor) [pid 635] close(10) = -1 EBADF (Bad file descriptor) [pid 635] close(11) = -1 EBADF (Bad file descriptor) [pid 635] close(12) = -1 EBADF (Bad file descriptor) [pid 635] close(13) = -1 EBADF (Bad file descriptor) [pid 635] close(14) = -1 EBADF (Bad file descriptor) [pid 635] close(15) = -1 EBADF (Bad file descriptor) [pid 635] close(16) = -1 EBADF (Bad file descriptor) [pid 635] close(17) = -1 EBADF (Bad file descriptor) [pid 635] close(18) = -1 EBADF (Bad file descriptor) [pid 635] close(19) = -1 EBADF (Bad file descriptor) [pid 635] close(20) = -1 EBADF (Bad file descriptor) [pid 635] close(21) = -1 EBADF (Bad file descriptor) [pid 635] close(22) = -1 EBADF (Bad file descriptor) [pid 635] close(23) = -1 EBADF (Bad file descriptor) [pid 635] close(24) = -1 EBADF (Bad file descriptor) [pid 635] close(25) = -1 EBADF (Bad file descriptor) [pid 635] close(26) = -1 EBADF (Bad file descriptor) [pid 635] close(27) = -1 EBADF (Bad file descriptor) [pid 635] close(28) = -1 EBADF (Bad file descriptor) [pid 635] close(29) = -1 EBADF (Bad file descriptor) [pid 635] exit_group(0) = ? [pid 635] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./337", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./337/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./337/binderfs") = 0 [pid 297] umount2("./337/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./337/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./337/cgroup.net") = 0 [pid 297] umount2("./337/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./337/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./337/cgroup.cpu") = 0 [pid 297] umount2("./337/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./337/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./337/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./337") = 0 [pid 297] mkdir("./338", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 340 ./strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x555565b1f660, 24) = 0 [pid 636] chdir("./338") = 0 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 636] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 636] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4) = 4 [pid 636] close(3) = 0 [pid 636] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 636] write(1, "executing program\n", 18) = 18 [ 32.498367][ T634] incfs: Error allocating mount info. -12 [ 32.504143][ T634] incfs: mount failed -12 [ 32.526350][ T635] incfs: Error allocating mount info. -12 [ 32.532177][ T635] incfs: mount failed -12 [pid 636] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 636] close(3) = -1 EBADF (Bad file descriptor) [pid 636] close(4) = -1 EBADF (Bad file descriptor) [pid 636] close(5) = -1 EBADF (Bad file descriptor) [pid 636] close(6) = -1 EBADF (Bad file descriptor) [pid 636] close(7) = -1 EBADF (Bad file descriptor) [pid 636] close(8) = -1 EBADF (Bad file descriptor) [pid 636] close(9) = -1 EBADF (Bad file descriptor) [pid 636] close(10) = -1 EBADF (Bad file descriptor) [pid 636] close(11) = -1 EBADF (Bad file descriptor) [pid 636] close(12) = -1 EBADF (Bad file descriptor) [pid 636] close(13) = -1 EBADF (Bad file descriptor) [pid 636] close(14) = -1 EBADF (Bad file descriptor) [pid 636] close(15) = -1 EBADF (Bad file descriptor) [pid 636] close(16) = -1 EBADF (Bad file descriptor) [pid 636] close(17) = -1 EBADF (Bad file descriptor) [pid 636] close(18) = -1 EBADF (Bad file descriptor) [pid 636] close(19) = -1 EBADF (Bad file descriptor) [pid 636] close(20) = -1 EBADF (Bad file descriptor) [pid 636] close(21) = -1 EBADF (Bad file descriptor) [pid 636] close(22) = -1 EBADF (Bad file descriptor) [pid 636] close(23) = -1 EBADF (Bad file descriptor) [pid 636] close(24) = -1 EBADF (Bad file descriptor) [pid 636] close(25) = -1 EBADF (Bad file descriptor) [pid 636] close(26) = -1 EBADF (Bad file descriptor) [pid 636] close(27) = -1 EBADF (Bad file descriptor) [pid 636] close(28) = -1 EBADF (Bad file descriptor) [pid 636] close(29) = -1 EBADF (Bad file descriptor) [pid 636] exit_group(0) = ? [pid 636] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./338", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./338/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./338/binderfs") = 0 [pid 297] umount2("./338/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./338/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./338/cgroup.net") = 0 [pid 297] umount2("./338/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./338/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./338/cgroup.cpu") = 0 [pid 297] umount2("./338/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./338/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./338/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./338") = 0 [pid 297] mkdir("./339", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 637 attached , child_tidptr=0x555565b1f650) = 341 [pid 637] set_robust_list(0x555565b1f660, 24) = 0 [pid 637] chdir("./339") = 0 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 637] setpgid(0, 0) = 0 [pid 637] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 637] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 637] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 637] write(1, "executing program\n", 18) = 18 [pid 637] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 637] close(3) = -1 EBADF (Bad file descriptor) [pid 637] close(4) = -1 EBADF (Bad file descriptor) [pid 637] close(5) = -1 EBADF (Bad file descriptor) [pid 637] close(6) = -1 EBADF (Bad file descriptor) [pid 637] close(7) = -1 EBADF (Bad file descriptor) [pid 637] close(8) = -1 EBADF (Bad file descriptor) [pid 637] close(9) = -1 EBADF (Bad file descriptor) [pid 637] close(10) = -1 EBADF (Bad file descriptor) [pid 637] close(11) = -1 EBADF (Bad file descriptor) [pid 637] close(12) = -1 EBADF (Bad file descriptor) [pid 637] close(13) = -1 EBADF (Bad file descriptor) [pid 637] close(14) = -1 EBADF (Bad file descriptor) [pid 637] close(15) = -1 EBADF (Bad file descriptor) [pid 637] close(16) = -1 EBADF (Bad file descriptor) [pid 637] close(17) = -1 EBADF (Bad file descriptor) [pid 637] close(18) = -1 EBADF (Bad file descriptor) [pid 637] close(19) = -1 EBADF (Bad file descriptor) [pid 637] close(20) = -1 EBADF (Bad file descriptor) [pid 637] close(21) = -1 EBADF (Bad file descriptor) [pid 637] close(22) = -1 EBADF (Bad file descriptor) [pid 637] close(23) = -1 EBADF (Bad file descriptor) [pid 637] close(24) = -1 EBADF (Bad file descriptor) [pid 637] close(25) = -1 EBADF (Bad file descriptor) [pid 637] close(26) = -1 EBADF (Bad file descriptor) [pid 637] close(27) = -1 EBADF (Bad file descriptor) [pid 637] close(28) = -1 EBADF (Bad file descriptor) [pid 637] close(29) = -1 EBADF (Bad file descriptor) [pid 637] exit_group(0) = ? [pid 637] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./339", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./339/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./339/binderfs") = 0 [pid 297] umount2("./339/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./339/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./339/cgroup.net") = 0 [pid 297] umount2("./339/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./339/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./339/cgroup.cpu") = 0 [pid 297] umount2("./339/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./339/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./339/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./339") = 0 [pid 297] mkdir("./340", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 342 ./strace-static-x86_64: Process 638 attached [pid 638] set_robust_list(0x555565b1f660, 24) = 0 [pid 638] chdir("./340") = 0 [pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 638] setpgid(0, 0) = 0 [pid 638] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 638] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 638] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 638] write(3, "1000", 4) = 4 [pid 638] close(3) = 0 [pid 638] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 638] write(1, "executing program\n", 18) = 18 [ 32.554209][ T636] incfs: Error allocating mount info. -12 [ 32.560085][ T636] incfs: mount failed -12 [ 32.580646][ T637] incfs: Error allocating mount info. -12 [ 32.586379][ T637] incfs: mount failed -12 [pid 638] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 638] close(3) = -1 EBADF (Bad file descriptor) [pid 638] close(4) = -1 EBADF (Bad file descriptor) [pid 638] close(5) = -1 EBADF (Bad file descriptor) [pid 638] close(6) = -1 EBADF (Bad file descriptor) [pid 638] close(7) = -1 EBADF (Bad file descriptor) [pid 638] close(8) = -1 EBADF (Bad file descriptor) [pid 638] close(9) = -1 EBADF (Bad file descriptor) [pid 638] close(10) = -1 EBADF (Bad file descriptor) [pid 638] close(11) = -1 EBADF (Bad file descriptor) [pid 638] close(12) = -1 EBADF (Bad file descriptor) [pid 638] close(13) = -1 EBADF (Bad file descriptor) [pid 638] close(14) = -1 EBADF (Bad file descriptor) [pid 638] close(15) = -1 EBADF (Bad file descriptor) [pid 638] close(16) = -1 EBADF (Bad file descriptor) [pid 638] close(17) = -1 EBADF (Bad file descriptor) [pid 638] close(18) = -1 EBADF (Bad file descriptor) [pid 638] close(19) = -1 EBADF (Bad file descriptor) [pid 638] close(20) = -1 EBADF (Bad file descriptor) [pid 638] close(21) = -1 EBADF (Bad file descriptor) [pid 638] close(22) = -1 EBADF (Bad file descriptor) [pid 638] close(23) = -1 EBADF (Bad file descriptor) [pid 638] close(24) = -1 EBADF (Bad file descriptor) [pid 638] close(25) = -1 EBADF (Bad file descriptor) [pid 638] close(26) = -1 EBADF (Bad file descriptor) [pid 638] close(27) = -1 EBADF (Bad file descriptor) [pid 638] close(28) = -1 EBADF (Bad file descriptor) [pid 638] close(29) = -1 EBADF (Bad file descriptor) [pid 638] exit_group(0) = ? [pid 638] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./340", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./340/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./340/binderfs") = 0 [pid 297] umount2("./340/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./340/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./340/cgroup.net") = 0 [pid 297] umount2("./340/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./340/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./340/cgroup.cpu") = 0 [pid 297] umount2("./340/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./340/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./340/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./340") = 0 [pid 297] mkdir("./341", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 343 ./strace-static-x86_64: Process 639 attached [pid 639] set_robust_list(0x555565b1f660, 24) = 0 [pid 639] chdir("./341") = 0 [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 639] setpgid(0, 0) = 0 [pid 639] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 639] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 639] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 639] write(3, "1000", 4) = 4 [pid 639] close(3) = 0 [pid 639] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 639] write(1, "executing program\n", 18) = 18 [pid 639] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 639] close(3) = -1 EBADF (Bad file descriptor) [pid 639] close(4) = -1 EBADF (Bad file descriptor) [pid 639] close(5) = -1 EBADF (Bad file descriptor) [pid 639] close(6) = -1 EBADF (Bad file descriptor) [pid 639] close(7) = -1 EBADF (Bad file descriptor) [pid 639] close(8) = -1 EBADF (Bad file descriptor) [pid 639] close(9) = -1 EBADF (Bad file descriptor) [pid 639] close(10) = -1 EBADF (Bad file descriptor) [pid 639] close(11) = -1 EBADF (Bad file descriptor) [pid 639] close(12) = -1 EBADF (Bad file descriptor) [pid 639] close(13) = -1 EBADF (Bad file descriptor) [pid 639] close(14) = -1 EBADF (Bad file descriptor) [pid 639] close(15) = -1 EBADF (Bad file descriptor) [pid 639] close(16) = -1 EBADF (Bad file descriptor) [pid 639] close(17) = -1 EBADF (Bad file descriptor) [pid 639] close(18) = -1 EBADF (Bad file descriptor) [pid 639] close(19) = -1 EBADF (Bad file descriptor) [pid 639] close(20) = -1 EBADF (Bad file descriptor) [pid 639] close(21) = -1 EBADF (Bad file descriptor) [pid 639] close(22) = -1 EBADF (Bad file descriptor) [pid 639] close(23) = -1 EBADF (Bad file descriptor) [pid 639] close(24) = -1 EBADF (Bad file descriptor) [pid 639] close(25) = -1 EBADF (Bad file descriptor) [pid 639] close(26) = -1 EBADF (Bad file descriptor) [pid 639] close(27) = -1 EBADF (Bad file descriptor) [pid 639] close(28) = -1 EBADF (Bad file descriptor) [pid 639] close(29) = -1 EBADF (Bad file descriptor) [pid 639] exit_group(0) = ? [pid 639] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./341", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./341/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./341/binderfs") = 0 [pid 297] umount2("./341/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./341/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./341/cgroup.net") = 0 [pid 297] umount2("./341/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./341/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./341/cgroup.cpu") = 0 [pid 297] umount2("./341/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./341/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./341/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./341") = 0 [pid 297] mkdir("./342", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 640 attached , child_tidptr=0x555565b1f650) = 344 [pid 640] set_robust_list(0x555565b1f660, 24) = 0 [pid 640] chdir("./342") = 0 [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 640] setpgid(0, 0) = 0 [pid 640] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 640] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 640] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 640] write(3, "1000", 4) = 4 [pid 640] close(3) = 0 [pid 640] symlink("/dev/binderfs", "./binderfs") = 0 [pid 640] write(1, "executing program\n", 18executing program ) = 18 [ 32.605475][ T638] incfs: Error allocating mount info. -12 [ 32.611251][ T638] incfs: mount failed -12 [ 32.632537][ T639] incfs: Error allocating mount info. -12 [ 32.638267][ T639] incfs: mount failed -12 [pid 640] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 640] close(3) = -1 EBADF (Bad file descriptor) [pid 640] close(4) = -1 EBADF (Bad file descriptor) [pid 640] close(5) = -1 EBADF (Bad file descriptor) [pid 640] close(6) = -1 EBADF (Bad file descriptor) [pid 640] close(7) = -1 EBADF (Bad file descriptor) [pid 640] close(8) = -1 EBADF (Bad file descriptor) [pid 640] close(9) = -1 EBADF (Bad file descriptor) [pid 640] close(10) = -1 EBADF (Bad file descriptor) [pid 640] close(11) = -1 EBADF (Bad file descriptor) [pid 640] close(12) = -1 EBADF (Bad file descriptor) [pid 640] close(13) = -1 EBADF (Bad file descriptor) [pid 640] close(14) = -1 EBADF (Bad file descriptor) [pid 640] close(15) = -1 EBADF (Bad file descriptor) [pid 640] close(16) = -1 EBADF (Bad file descriptor) [pid 640] close(17) = -1 EBADF (Bad file descriptor) [pid 640] close(18) = -1 EBADF (Bad file descriptor) [pid 640] close(19) = -1 EBADF (Bad file descriptor) [pid 640] close(20) = -1 EBADF (Bad file descriptor) [pid 640] close(21) = -1 EBADF (Bad file descriptor) [pid 640] close(22) = -1 EBADF (Bad file descriptor) [pid 640] close(23) = -1 EBADF (Bad file descriptor) [pid 640] close(24) = -1 EBADF (Bad file descriptor) [pid 640] close(25) = -1 EBADF (Bad file descriptor) [pid 640] close(26) = -1 EBADF (Bad file descriptor) [pid 640] close(27) = -1 EBADF (Bad file descriptor) [pid 640] close(28) = -1 EBADF (Bad file descriptor) [pid 640] close(29) = -1 EBADF (Bad file descriptor) [pid 640] exit_group(0) = ? [pid 640] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./342", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./342/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./342/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./342/binderfs") = 0 [pid 297] umount2("./342/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./342/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./342/cgroup.net") = 0 [pid 297] umount2("./342/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./342/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./342/cgroup.cpu") = 0 [pid 297] umount2("./342/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./342/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./342/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./342") = 0 [pid 297] mkdir("./343", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 345 ./strace-static-x86_64: Process 641 attached [pid 641] set_robust_list(0x555565b1f660, 24) = 0 [pid 641] chdir("./343") = 0 [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] setpgid(0, 0) = 0 [pid 641] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 641] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 641] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 641] write(3, "1000", 4) = 4 [pid 641] close(3executing program ) = 0 [pid 641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 641] write(1, "executing program\n", 18) = 18 [pid 641] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 641] close(3) = -1 EBADF (Bad file descriptor) [pid 641] close(4) = -1 EBADF (Bad file descriptor) [pid 641] close(5) = -1 EBADF (Bad file descriptor) [pid 641] close(6) = -1 EBADF (Bad file descriptor) [pid 641] close(7) = -1 EBADF (Bad file descriptor) [pid 641] close(8) = -1 EBADF (Bad file descriptor) [pid 641] close(9) = -1 EBADF (Bad file descriptor) [pid 641] close(10) = -1 EBADF (Bad file descriptor) [pid 641] close(11) = -1 EBADF (Bad file descriptor) [pid 641] close(12) = -1 EBADF (Bad file descriptor) [pid 641] close(13) = -1 EBADF (Bad file descriptor) [pid 641] close(14) = -1 EBADF (Bad file descriptor) [pid 641] close(15) = -1 EBADF (Bad file descriptor) [pid 641] close(16) = -1 EBADF (Bad file descriptor) [pid 641] close(17) = -1 EBADF (Bad file descriptor) [pid 641] close(18) = -1 EBADF (Bad file descriptor) [pid 641] close(19) = -1 EBADF (Bad file descriptor) [pid 641] close(20) = -1 EBADF (Bad file descriptor) [pid 641] close(21) = -1 EBADF (Bad file descriptor) [pid 641] close(22) = -1 EBADF (Bad file descriptor) [pid 641] close(23) = -1 EBADF (Bad file descriptor) [pid 641] close(24) = -1 EBADF (Bad file descriptor) [pid 641] close(25) = -1 EBADF (Bad file descriptor) [pid 641] close(26) = -1 EBADF (Bad file descriptor) [pid 641] close(27) = -1 EBADF (Bad file descriptor) [pid 641] close(28) = -1 EBADF (Bad file descriptor) [pid 641] close(29) = -1 EBADF (Bad file descriptor) [pid 641] exit_group(0) = ? [pid 641] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./343", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./343/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./343/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./343/binderfs") = 0 [pid 297] umount2("./343/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./343/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./343/cgroup.net") = 0 [pid 297] umount2("./343/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./343/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./343/cgroup.cpu") = 0 [pid 297] umount2("./343/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./343/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./343/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./343") = 0 [pid 297] mkdir("./344", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 346 ./strace-static-x86_64: Process 642 attached [pid 642] set_robust_list(0x555565b1f660, 24) = 0 [pid 642] chdir("./344") = 0 [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 642] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 642] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3) = 0 [pid 642] symlink("/dev/binderfs", "./binderfs") = 0 [pid 642] write(1, "executing program\n", 18executing program ) = 18 [ 32.655651][ T640] incfs: Error allocating mount info. -12 [ 32.661427][ T640] incfs: mount failed -12 [ 32.679855][ T641] incfs: Error allocating mount info. -12 [ 32.685596][ T641] incfs: mount failed -12 [pid 642] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 642] close(3) = -1 EBADF (Bad file descriptor) [pid 642] close(4) = -1 EBADF (Bad file descriptor) [pid 642] close(5) = -1 EBADF (Bad file descriptor) [pid 642] close(6) = -1 EBADF (Bad file descriptor) [pid 642] close(7) = -1 EBADF (Bad file descriptor) [pid 642] close(8) = -1 EBADF (Bad file descriptor) [pid 642] close(9) = -1 EBADF (Bad file descriptor) [pid 642] close(10) = -1 EBADF (Bad file descriptor) [pid 642] close(11) = -1 EBADF (Bad file descriptor) [pid 642] close(12) = -1 EBADF (Bad file descriptor) [pid 642] close(13) = -1 EBADF (Bad file descriptor) [pid 642] close(14) = -1 EBADF (Bad file descriptor) [pid 642] close(15) = -1 EBADF (Bad file descriptor) [pid 642] close(16) = -1 EBADF (Bad file descriptor) [pid 642] close(17) = -1 EBADF (Bad file descriptor) [pid 642] close(18) = -1 EBADF (Bad file descriptor) [pid 642] close(19) = -1 EBADF (Bad file descriptor) [pid 642] close(20) = -1 EBADF (Bad file descriptor) [pid 642] close(21) = -1 EBADF (Bad file descriptor) [pid 642] close(22) = -1 EBADF (Bad file descriptor) [pid 642] close(23) = -1 EBADF (Bad file descriptor) [pid 642] close(24) = -1 EBADF (Bad file descriptor) [pid 642] close(25) = -1 EBADF (Bad file descriptor) [pid 642] close(26) = -1 EBADF (Bad file descriptor) [pid 642] close(27) = -1 EBADF (Bad file descriptor) [pid 642] close(28) = -1 EBADF (Bad file descriptor) [pid 642] close(29) = -1 EBADF (Bad file descriptor) [pid 642] exit_group(0) = ? [pid 642] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./344", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./344/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./344/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./344/binderfs") = 0 [pid 297] umount2("./344/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./344/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./344/cgroup.net") = 0 [pid 297] umount2("./344/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./344/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./344/cgroup.cpu") = 0 [pid 297] umount2("./344/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./344/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./344/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./344") = 0 [pid 297] mkdir("./345", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 347 ./strace-static-x86_64: Process 643 attached [pid 643] set_robust_list(0x555565b1f660, 24) = 0 [pid 643] chdir("./345") = 0 [pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 643] setpgid(0, 0) = 0 [pid 643] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 643] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 643] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 643] write(3, "1000", 4) = 4 [pid 643] close(3) = 0 [pid 643] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 643] write(1, "executing program\n", 18) = 18 [pid 643] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 643] close(3) = -1 EBADF (Bad file descriptor) [pid 643] close(4) = -1 EBADF (Bad file descriptor) [pid 643] close(5) = -1 EBADF (Bad file descriptor) [pid 643] close(6) = -1 EBADF (Bad file descriptor) [pid 643] close(7) = -1 EBADF (Bad file descriptor) [pid 643] close(8) = -1 EBADF (Bad file descriptor) [pid 643] close(9) = -1 EBADF (Bad file descriptor) [pid 643] close(10) = -1 EBADF (Bad file descriptor) [pid 643] close(11) = -1 EBADF (Bad file descriptor) [pid 643] close(12) = -1 EBADF (Bad file descriptor) [pid 643] close(13) = -1 EBADF (Bad file descriptor) [pid 643] close(14) = -1 EBADF (Bad file descriptor) [pid 643] close(15) = -1 EBADF (Bad file descriptor) [pid 643] close(16) = -1 EBADF (Bad file descriptor) [pid 643] close(17) = -1 EBADF (Bad file descriptor) [pid 643] close(18) = -1 EBADF (Bad file descriptor) [pid 643] close(19) = -1 EBADF (Bad file descriptor) [pid 643] close(20) = -1 EBADF (Bad file descriptor) [pid 643] close(21) = -1 EBADF (Bad file descriptor) [pid 643] close(22) = -1 EBADF (Bad file descriptor) [pid 643] close(23) = -1 EBADF (Bad file descriptor) [pid 643] close(24) = -1 EBADF (Bad file descriptor) [pid 643] close(25) = -1 EBADF (Bad file descriptor) [pid 643] close(26) = -1 EBADF (Bad file descriptor) [pid 643] close(27) = -1 EBADF (Bad file descriptor) [pid 643] close(28) = -1 EBADF (Bad file descriptor) [pid 643] close(29) = -1 EBADF (Bad file descriptor) [pid 643] exit_group(0) = ? [pid 643] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./345", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./345/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./345/binderfs") = 0 [pid 297] umount2("./345/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./345/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./345/cgroup.net") = 0 [pid 297] umount2("./345/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./345/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./345/cgroup.cpu") = 0 [pid 297] umount2("./345/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./345/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./345/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./345") = 0 [pid 297] mkdir("./346", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 348 ./strace-static-x86_64: Process 644 attached [pid 644] set_robust_list(0x555565b1f660, 24) = 0 [pid 644] chdir("./346") = 0 [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 644] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 644] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 644] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3) = 0 [pid 644] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 644] write(1, "executing program\n", 18) = 18 [ 32.704893][ T642] incfs: Error allocating mount info. -12 [ 32.710672][ T642] incfs: mount failed -12 [ 32.728663][ T643] incfs: Error allocating mount info. -12 [ 32.734408][ T643] incfs: mount failed -12 [pid 644] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 644] close(3) = -1 EBADF (Bad file descriptor) [pid 644] close(4) = -1 EBADF (Bad file descriptor) [pid 644] close(5) = -1 EBADF (Bad file descriptor) [pid 644] close(6) = -1 EBADF (Bad file descriptor) [pid 644] close(7) = -1 EBADF (Bad file descriptor) [pid 644] close(8) = -1 EBADF (Bad file descriptor) [pid 644] close(9) = -1 EBADF (Bad file descriptor) [pid 644] close(10) = -1 EBADF (Bad file descriptor) [pid 644] close(11) = -1 EBADF (Bad file descriptor) [pid 644] close(12) = -1 EBADF (Bad file descriptor) [pid 644] close(13) = -1 EBADF (Bad file descriptor) [pid 644] close(14) = -1 EBADF (Bad file descriptor) [pid 644] close(15) = -1 EBADF (Bad file descriptor) [pid 644] close(16) = -1 EBADF (Bad file descriptor) [pid 644] close(17) = -1 EBADF (Bad file descriptor) [pid 644] close(18) = -1 EBADF (Bad file descriptor) [pid 644] close(19) = -1 EBADF (Bad file descriptor) [pid 644] close(20) = -1 EBADF (Bad file descriptor) [pid 644] close(21) = -1 EBADF (Bad file descriptor) [pid 644] close(22) = -1 EBADF (Bad file descriptor) [pid 644] close(23) = -1 EBADF (Bad file descriptor) [pid 644] close(24) = -1 EBADF (Bad file descriptor) [pid 644] close(25) = -1 EBADF (Bad file descriptor) [pid 644] close(26) = -1 EBADF (Bad file descriptor) [pid 644] close(27) = -1 EBADF (Bad file descriptor) [pid 644] close(28) = -1 EBADF (Bad file descriptor) [pid 644] close(29) = -1 EBADF (Bad file descriptor) [pid 644] exit_group(0) = ? [pid 644] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./346", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./346/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./346/binderfs") = 0 [pid 297] umount2("./346/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./346/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./346/cgroup.net") = 0 [pid 297] umount2("./346/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./346/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./346/cgroup.cpu") = 0 [pid 297] umount2("./346/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./346/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./346/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./346") = 0 [pid 297] mkdir("./347", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 349 ./strace-static-x86_64: Process 645 attached [pid 645] set_robust_list(0x555565b1f660, 24) = 0 [pid 645] chdir("./347") = 0 [pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 645] setpgid(0, 0) = 0 [pid 645] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 645] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 645] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 645] write(3, "1000", 4) = 4 [pid 645] close(3) = 0 [pid 645] symlink("/dev/binderfs", "./binderfs") = 0 [pid 645] write(1, "executing program\n", 18executing program ) = 18 [pid 645] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 645] close(3) = -1 EBADF (Bad file descriptor) [pid 645] close(4) = -1 EBADF (Bad file descriptor) [pid 645] close(5) = -1 EBADF (Bad file descriptor) [pid 645] close(6) = -1 EBADF (Bad file descriptor) [pid 645] close(7) = -1 EBADF (Bad file descriptor) [pid 645] close(8) = -1 EBADF (Bad file descriptor) [pid 645] close(9) = -1 EBADF (Bad file descriptor) [pid 645] close(10) = -1 EBADF (Bad file descriptor) [pid 645] close(11) = -1 EBADF (Bad file descriptor) [pid 645] close(12) = -1 EBADF (Bad file descriptor) [pid 645] close(13) = -1 EBADF (Bad file descriptor) [pid 645] close(14) = -1 EBADF (Bad file descriptor) [pid 645] close(15) = -1 EBADF (Bad file descriptor) [pid 645] close(16) = -1 EBADF (Bad file descriptor) [pid 645] close(17) = -1 EBADF (Bad file descriptor) [pid 645] close(18) = -1 EBADF (Bad file descriptor) [pid 645] close(19) = -1 EBADF (Bad file descriptor) [pid 645] close(20) = -1 EBADF (Bad file descriptor) [pid 645] close(21) = -1 EBADF (Bad file descriptor) [pid 645] close(22) = -1 EBADF (Bad file descriptor) [pid 645] close(23) = -1 EBADF (Bad file descriptor) [pid 645] close(24) = -1 EBADF (Bad file descriptor) [pid 645] close(25) = -1 EBADF (Bad file descriptor) [pid 645] close(26) = -1 EBADF (Bad file descriptor) [pid 645] close(27) = -1 EBADF (Bad file descriptor) [pid 645] close(28) = -1 EBADF (Bad file descriptor) [pid 645] close(29) = -1 EBADF (Bad file descriptor) [pid 645] exit_group(0) = ? [pid 645] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./347", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./347/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./347/binderfs") = 0 [pid 297] umount2("./347/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./347/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./347/cgroup.net") = 0 [pid 297] umount2("./347/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./347/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./347/cgroup.cpu") = 0 [pid 297] umount2("./347/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./347/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./347/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./347") = 0 [pid 297] mkdir("./348", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 350 ./strace-static-x86_64: Process 646 attached [pid 646] set_robust_list(0x555565b1f660, 24) = 0 [pid 646] chdir("./348") = 0 [pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 646] setpgid(0, 0) = 0 [pid 646] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 646] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 646] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 646] write(3, "1000", 4) = 4 [pid 646] close(3) = 0 [pid 646] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 646] write(1, "executing program\n", 18) = 18 [ 32.751868][ T644] incfs: Error allocating mount info. -12 [ 32.757623][ T644] incfs: mount failed -12 [ 32.777590][ T645] incfs: Error allocating mount info. -12 [ 32.783424][ T645] incfs: mount failed -12 [pid 646] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 646] close(3) = -1 EBADF (Bad file descriptor) [pid 646] close(4) = -1 EBADF (Bad file descriptor) [pid 646] close(5) = -1 EBADF (Bad file descriptor) [pid 646] close(6) = -1 EBADF (Bad file descriptor) [pid 646] close(7) = -1 EBADF (Bad file descriptor) [pid 646] close(8) = -1 EBADF (Bad file descriptor) [pid 646] close(9) = -1 EBADF (Bad file descriptor) [pid 646] close(10) = -1 EBADF (Bad file descriptor) [pid 646] close(11) = -1 EBADF (Bad file descriptor) [pid 646] close(12) = -1 EBADF (Bad file descriptor) [pid 646] close(13) = -1 EBADF (Bad file descriptor) [pid 646] close(14) = -1 EBADF (Bad file descriptor) [pid 646] close(15) = -1 EBADF (Bad file descriptor) [pid 646] close(16) = -1 EBADF (Bad file descriptor) [pid 646] close(17) = -1 EBADF (Bad file descriptor) [pid 646] close(18) = -1 EBADF (Bad file descriptor) [pid 646] close(19) = -1 EBADF (Bad file descriptor) [pid 646] close(20) = -1 EBADF (Bad file descriptor) [pid 646] close(21) = -1 EBADF (Bad file descriptor) [pid 646] close(22) = -1 EBADF (Bad file descriptor) [pid 646] close(23) = -1 EBADF (Bad file descriptor) [pid 646] close(24) = -1 EBADF (Bad file descriptor) [pid 646] close(25) = -1 EBADF (Bad file descriptor) [pid 646] close(26) = -1 EBADF (Bad file descriptor) [pid 646] close(27) = -1 EBADF (Bad file descriptor) [pid 646] close(28) = -1 EBADF (Bad file descriptor) [pid 646] close(29) = -1 EBADF (Bad file descriptor) [pid 646] exit_group(0) = ? [pid 646] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./348", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./348/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./348/binderfs") = 0 [pid 297] umount2("./348/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./348/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./348/cgroup.net") = 0 [pid 297] umount2("./348/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./348/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./348/cgroup.cpu") = 0 [pid 297] umount2("./348/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./348/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./348/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./348") = 0 [pid 297] mkdir("./349", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 351 ./strace-static-x86_64: Process 647 attached [pid 647] set_robust_list(0x555565b1f660, 24) = 0 [pid 647] chdir("./349") = 0 [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 647] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 647] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 [pid 647] close(3) = 0 [pid 647] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 647] write(1, "executing program\n", 18) = 18 [ 32.801279][ T646] incfs: Error allocating mount info. -12 [ 32.807020][ T646] incfs: mount failed -12 [pid 647] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 647] close(3) = -1 EBADF (Bad file descriptor) [pid 647] close(4) = -1 EBADF (Bad file descriptor) [pid 647] close(5) = -1 EBADF (Bad file descriptor) [pid 647] close(6) = -1 EBADF (Bad file descriptor) [pid 647] close(7) = -1 EBADF (Bad file descriptor) [pid 647] close(8) = -1 EBADF (Bad file descriptor) [pid 647] close(9) = -1 EBADF (Bad file descriptor) [pid 647] close(10) = -1 EBADF (Bad file descriptor) [pid 647] close(11) = -1 EBADF (Bad file descriptor) [pid 647] close(12) = -1 EBADF (Bad file descriptor) [pid 647] close(13) = -1 EBADF (Bad file descriptor) [pid 647] close(14) = -1 EBADF (Bad file descriptor) [pid 647] close(15) = -1 EBADF (Bad file descriptor) [pid 647] close(16) = -1 EBADF (Bad file descriptor) [pid 647] close(17) = -1 EBADF (Bad file descriptor) [pid 647] close(18) = -1 EBADF (Bad file descriptor) [pid 647] close(19) = -1 EBADF (Bad file descriptor) [pid 647] close(20) = -1 EBADF (Bad file descriptor) [pid 647] close(21) = -1 EBADF (Bad file descriptor) [pid 647] close(22) = -1 EBADF (Bad file descriptor) [pid 647] close(23) = -1 EBADF (Bad file descriptor) [pid 647] close(24) = -1 EBADF (Bad file descriptor) [pid 647] close(25) = -1 EBADF (Bad file descriptor) [pid 647] close(26) = -1 EBADF (Bad file descriptor) [pid 647] close(27) = -1 EBADF (Bad file descriptor) [pid 647] close(28) = -1 EBADF (Bad file descriptor) [pid 647] close(29) = -1 EBADF (Bad file descriptor) [pid 647] exit_group(0) = ? [pid 647] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./349", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./349/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./349/binderfs") = 0 [pid 297] umount2("./349/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./349/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./349/cgroup.net") = 0 [pid 297] umount2("./349/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./349/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./349/cgroup.cpu") = 0 [pid 297] umount2("./349/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./349/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./349/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./349") = 0 [pid 297] mkdir("./350", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 352 ./strace-static-x86_64: Process 648 attached [pid 648] set_robust_list(0x555565b1f660, 24) = 0 [pid 648] chdir("./350") = 0 [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] setpgid(0, 0) = 0 [pid 648] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 648] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 648] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 648] write(3, "1000", 4) = 4 [pid 648] close(3) = 0 [pid 648] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 648] write(1, "executing program\n", 18) = 18 [pid 648] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 648] close(3) = -1 EBADF (Bad file descriptor) [pid 648] close(4) = -1 EBADF (Bad file descriptor) [pid 648] close(5) = -1 EBADF (Bad file descriptor) [pid 648] close(6) = -1 EBADF (Bad file descriptor) [pid 648] close(7) = -1 EBADF (Bad file descriptor) [pid 648] close(8) = -1 EBADF (Bad file descriptor) [pid 648] close(9) = -1 EBADF (Bad file descriptor) [pid 648] close(10) = -1 EBADF (Bad file descriptor) [pid 648] close(11) = -1 EBADF (Bad file descriptor) [pid 648] close(12) = -1 EBADF (Bad file descriptor) [pid 648] close(13) = -1 EBADF (Bad file descriptor) [pid 648] close(14) = -1 EBADF (Bad file descriptor) [pid 648] close(15) = -1 EBADF (Bad file descriptor) [pid 648] close(16) = -1 EBADF (Bad file descriptor) [pid 648] close(17) = -1 EBADF (Bad file descriptor) [pid 648] close(18) = -1 EBADF (Bad file descriptor) [pid 648] close(19) = -1 EBADF (Bad file descriptor) [pid 648] close(20) = -1 EBADF (Bad file descriptor) [pid 648] close(21) = -1 EBADF (Bad file descriptor) [pid 648] close(22) = -1 EBADF (Bad file descriptor) [pid 648] close(23) = -1 EBADF (Bad file descriptor) [pid 648] close(24) = -1 EBADF (Bad file descriptor) [pid 648] close(25) = -1 EBADF (Bad file descriptor) [pid 648] close(26) = -1 EBADF (Bad file descriptor) [pid 648] close(27) = -1 EBADF (Bad file descriptor) [pid 648] close(28) = -1 EBADF (Bad file descriptor) [pid 648] close(29) = -1 EBADF (Bad file descriptor) [pid 648] exit_group(0) = ? [pid 648] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./350", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./350/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./350/binderfs") = 0 [pid 297] umount2("./350/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./350/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./350/cgroup.net") = 0 [pid 297] umount2("./350/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./350/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./350/cgroup.cpu") = 0 [pid 297] umount2("./350/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./350/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./350/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./350") = 0 [pid 297] mkdir("./351", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 353 ./strace-static-x86_64: Process 649 attached [pid 649] set_robust_list(0x555565b1f660, 24) = 0 [pid 649] chdir("./351") = 0 [pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 649] setpgid(0, 0) = 0 [pid 649] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 649] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 649] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 649] write(3, "1000", 4) = 4 [pid 649] close(3) = 0 [pid 649] symlink("/dev/binderfs", "./binderfs") = 0 [pid 649] write(1, "executing program\n", 18executing program ) = 18 [ 32.828903][ T647] incfs: Error allocating mount info. -12 [ 32.834641][ T647] incfs: mount failed -12 [ 32.854729][ T648] incfs: Error allocating mount info. -12 [ 32.860518][ T648] incfs: mount failed -12 [pid 649] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 649] close(3) = -1 EBADF (Bad file descriptor) [pid 649] close(4) = -1 EBADF (Bad file descriptor) [pid 649] close(5) = -1 EBADF (Bad file descriptor) [pid 649] close(6) = -1 EBADF (Bad file descriptor) [pid 649] close(7) = -1 EBADF (Bad file descriptor) [pid 649] close(8) = -1 EBADF (Bad file descriptor) [pid 649] close(9) = -1 EBADF (Bad file descriptor) [pid 649] close(10) = -1 EBADF (Bad file descriptor) [pid 649] close(11) = -1 EBADF (Bad file descriptor) [pid 649] close(12) = -1 EBADF (Bad file descriptor) [pid 649] close(13) = -1 EBADF (Bad file descriptor) [pid 649] close(14) = -1 EBADF (Bad file descriptor) [pid 649] close(15) = -1 EBADF (Bad file descriptor) [pid 649] close(16) = -1 EBADF (Bad file descriptor) [pid 649] close(17) = -1 EBADF (Bad file descriptor) [pid 649] close(18) = -1 EBADF (Bad file descriptor) [pid 649] close(19) = -1 EBADF (Bad file descriptor) [pid 649] close(20) = -1 EBADF (Bad file descriptor) [pid 649] close(21) = -1 EBADF (Bad file descriptor) [pid 649] close(22) = -1 EBADF (Bad file descriptor) [pid 649] close(23) = -1 EBADF (Bad file descriptor) [pid 649] close(24) = -1 EBADF (Bad file descriptor) [pid 649] close(25) = -1 EBADF (Bad file descriptor) [pid 649] close(26) = -1 EBADF (Bad file descriptor) [pid 649] close(27) = -1 EBADF (Bad file descriptor) [pid 649] close(28) = -1 EBADF (Bad file descriptor) [pid 649] close(29) = -1 EBADF (Bad file descriptor) [pid 649] exit_group(0) = ? [pid 649] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./351", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./351/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./351/binderfs") = 0 [pid 297] umount2("./351/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./351/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./351/cgroup.net") = 0 [pid 297] umount2("./351/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./351/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./351/cgroup.cpu") = 0 [pid 297] umount2("./351/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./351/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./351/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./351") = 0 [pid 297] mkdir("./352", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 354 ./strace-static-x86_64: Process 650 attached [pid 650] set_robust_list(0x555565b1f660, 24) = 0 [pid 650] chdir("./352") = 0 [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 650] setpgid(0, 0) = 0 [pid 650] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 650] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 650] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 650] write(3, "1000", 4) = 4 [pid 650] close(3) = 0 [pid 650] symlink("/dev/binderfs", "./binderfs") = 0 [pid 650] write(1, "executing program\n", 18executing program ) = 18 [pid 650] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 650] close(3) = -1 EBADF (Bad file descriptor) [pid 650] close(4) = -1 EBADF (Bad file descriptor) [pid 650] close(5) = -1 EBADF (Bad file descriptor) [pid 650] close(6) = -1 EBADF (Bad file descriptor) [pid 650] close(7) = -1 EBADF (Bad file descriptor) [pid 650] close(8) = -1 EBADF (Bad file descriptor) [pid 650] close(9) = -1 EBADF (Bad file descriptor) [pid 650] close(10) = -1 EBADF (Bad file descriptor) [pid 650] close(11) = -1 EBADF (Bad file descriptor) [pid 650] close(12) = -1 EBADF (Bad file descriptor) [pid 650] close(13) = -1 EBADF (Bad file descriptor) [pid 650] close(14) = -1 EBADF (Bad file descriptor) [pid 650] close(15) = -1 EBADF (Bad file descriptor) [pid 650] close(16) = -1 EBADF (Bad file descriptor) [pid 650] close(17) = -1 EBADF (Bad file descriptor) [pid 650] close(18) = -1 EBADF (Bad file descriptor) [pid 650] close(19) = -1 EBADF (Bad file descriptor) [pid 650] close(20) = -1 EBADF (Bad file descriptor) [pid 650] close(21) = -1 EBADF (Bad file descriptor) [pid 650] close(22) = -1 EBADF (Bad file descriptor) [pid 650] close(23) = -1 EBADF (Bad file descriptor) [pid 650] close(24) = -1 EBADF (Bad file descriptor) [pid 650] close(25) = -1 EBADF (Bad file descriptor) [pid 650] close(26) = -1 EBADF (Bad file descriptor) [pid 650] close(27) = -1 EBADF (Bad file descriptor) [pid 650] close(28) = -1 EBADF (Bad file descriptor) [pid 650] close(29) = -1 EBADF (Bad file descriptor) [pid 650] exit_group(0) = ? [pid 650] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./352", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./352/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./352/binderfs") = 0 [pid 297] umount2("./352/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./352/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./352/cgroup.net") = 0 [pid 297] umount2("./352/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./352/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./352/cgroup.cpu") = 0 [pid 297] umount2("./352/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./352/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./352/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./352") = 0 [pid 297] mkdir("./353", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 355 ./strace-static-x86_64: Process 651 attached [pid 651] set_robust_list(0x555565b1f660, 24) = 0 [pid 651] chdir("./353") = 0 [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 [pid 651] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 651] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 651] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 651] write(3, "1000", 4) = 4 [pid 651] close(3) = 0 [pid 651] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 651] write(1, "executing program\n", 18) = 18 [ 32.881689][ T649] incfs: Error allocating mount info. -12 [ 32.887431][ T649] incfs: mount failed -12 [ 32.912075][ T650] incfs: Error allocating mount info. -12 [ 32.917814][ T650] incfs: mount failed -12 [pid 651] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 651] close(3) = -1 EBADF (Bad file descriptor) [pid 651] close(4) = -1 EBADF (Bad file descriptor) [pid 651] close(5) = -1 EBADF (Bad file descriptor) [pid 651] close(6) = -1 EBADF (Bad file descriptor) [pid 651] close(7) = -1 EBADF (Bad file descriptor) [pid 651] close(8) = -1 EBADF (Bad file descriptor) [pid 651] close(9) = -1 EBADF (Bad file descriptor) [pid 651] close(10) = -1 EBADF (Bad file descriptor) [pid 651] close(11) = -1 EBADF (Bad file descriptor) [pid 651] close(12) = -1 EBADF (Bad file descriptor) [pid 651] close(13) = -1 EBADF (Bad file descriptor) [pid 651] close(14) = -1 EBADF (Bad file descriptor) [pid 651] close(15) = -1 EBADF (Bad file descriptor) [pid 651] close(16) = -1 EBADF (Bad file descriptor) [pid 651] close(17) = -1 EBADF (Bad file descriptor) [pid 651] close(18) = -1 EBADF (Bad file descriptor) [pid 651] close(19) = -1 EBADF (Bad file descriptor) [pid 651] close(20) = -1 EBADF (Bad file descriptor) [pid 651] close(21) = -1 EBADF (Bad file descriptor) [pid 651] close(22) = -1 EBADF (Bad file descriptor) [pid 651] close(23) = -1 EBADF (Bad file descriptor) [pid 651] close(24) = -1 EBADF (Bad file descriptor) [pid 651] close(25) = -1 EBADF (Bad file descriptor) [pid 651] close(26) = -1 EBADF (Bad file descriptor) [pid 651] close(27) = -1 EBADF (Bad file descriptor) [pid 651] close(28) = -1 EBADF (Bad file descriptor) [pid 651] close(29) = -1 EBADF (Bad file descriptor) [pid 651] exit_group(0) = ? [pid 651] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./353", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./353/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./353/binderfs") = 0 [pid 297] umount2("./353/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./353/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./353/cgroup.net") = 0 [pid 297] umount2("./353/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./353/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./353/cgroup.cpu") = 0 [pid 297] umount2("./353/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./353/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./353/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./353") = 0 [pid 297] mkdir("./354", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 356 ./strace-static-x86_64: Process 652 attached [pid 652] set_robust_list(0x555565b1f660, 24) = 0 [pid 652] chdir("./354") = 0 [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 652] setpgid(0, 0) = 0 [pid 652] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 652] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 652] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 652] write(3, "1000", 4) = 4 [pid 652] close(3) = 0 [pid 652] symlink("/dev/binderfs", "./binderfs") = 0 [pid 652] write(1, "executing program\n", 18executing program ) = 18 [pid 652] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 652] close(3) = -1 EBADF (Bad file descriptor) [pid 652] close(4) = -1 EBADF (Bad file descriptor) [pid 652] close(5) = -1 EBADF (Bad file descriptor) [pid 652] close(6) = -1 EBADF (Bad file descriptor) [pid 652] close(7) = -1 EBADF (Bad file descriptor) [pid 652] close(8) = -1 EBADF (Bad file descriptor) [pid 652] close(9) = -1 EBADF (Bad file descriptor) [pid 652] close(10) = -1 EBADF (Bad file descriptor) [pid 652] close(11) = -1 EBADF (Bad file descriptor) [pid 652] close(12) = -1 EBADF (Bad file descriptor) [pid 652] close(13) = -1 EBADF (Bad file descriptor) [pid 652] close(14) = -1 EBADF (Bad file descriptor) [pid 652] close(15) = -1 EBADF (Bad file descriptor) [pid 652] close(16) = -1 EBADF (Bad file descriptor) [pid 652] close(17) = -1 EBADF (Bad file descriptor) [pid 652] close(18) = -1 EBADF (Bad file descriptor) [pid 652] close(19) = -1 EBADF (Bad file descriptor) [pid 652] close(20) = -1 EBADF (Bad file descriptor) [pid 652] close(21) = -1 EBADF (Bad file descriptor) [pid 652] close(22) = -1 EBADF (Bad file descriptor) [pid 652] close(23) = -1 EBADF (Bad file descriptor) [pid 652] close(24) = -1 EBADF (Bad file descriptor) [pid 652] close(25) = -1 EBADF (Bad file descriptor) [pid 652] close(26) = -1 EBADF (Bad file descriptor) [pid 652] close(27) = -1 EBADF (Bad file descriptor) [pid 652] close(28) = -1 EBADF (Bad file descriptor) [pid 652] close(29) = -1 EBADF (Bad file descriptor) [pid 652] exit_group(0) = ? [pid 652] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./354", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./354/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./354/binderfs") = 0 [pid 297] umount2("./354/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./354/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./354/cgroup.net") = 0 [pid 297] umount2("./354/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./354/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./354/cgroup.cpu") = 0 [pid 297] umount2("./354/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./354/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./354/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./354") = 0 [pid 297] mkdir("./355", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 357 ./strace-static-x86_64: Process 653 attached [pid 653] set_robust_list(0x555565b1f660, 24) = 0 [pid 653] chdir("./355") = 0 [pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 653] setpgid(0, 0) = 0 [pid 653] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 653] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 653] write(3, "1000", 4) = 4 [pid 653] close(3) = 0 [pid 653] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 653] write(1, "executing program\n", 18) = 18 [ 32.934179][ T651] incfs: Error allocating mount info. -12 [ 32.939970][ T651] incfs: mount failed -12 [ 32.961361][ T652] incfs: Error allocating mount info. -12 [ 32.967098][ T652] incfs: mount failed -12 [pid 653] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 653] close(3) = -1 EBADF (Bad file descriptor) [pid 653] close(4) = -1 EBADF (Bad file descriptor) [pid 653] close(5) = -1 EBADF (Bad file descriptor) [pid 653] close(6) = -1 EBADF (Bad file descriptor) [pid 653] close(7) = -1 EBADF (Bad file descriptor) [pid 653] close(8) = -1 EBADF (Bad file descriptor) [pid 653] close(9) = -1 EBADF (Bad file descriptor) [pid 653] close(10) = -1 EBADF (Bad file descriptor) [pid 653] close(11) = -1 EBADF (Bad file descriptor) [pid 653] close(12) = -1 EBADF (Bad file descriptor) [pid 653] close(13) = -1 EBADF (Bad file descriptor) [pid 653] close(14) = -1 EBADF (Bad file descriptor) [pid 653] close(15) = -1 EBADF (Bad file descriptor) [pid 653] close(16) = -1 EBADF (Bad file descriptor) [pid 653] close(17) = -1 EBADF (Bad file descriptor) [pid 653] close(18) = -1 EBADF (Bad file descriptor) [pid 653] close(19) = -1 EBADF (Bad file descriptor) [pid 653] close(20) = -1 EBADF (Bad file descriptor) [pid 653] close(21) = -1 EBADF (Bad file descriptor) [pid 653] close(22) = -1 EBADF (Bad file descriptor) [pid 653] close(23) = -1 EBADF (Bad file descriptor) [pid 653] close(24) = -1 EBADF (Bad file descriptor) [pid 653] close(25) = -1 EBADF (Bad file descriptor) [pid 653] close(26) = -1 EBADF (Bad file descriptor) [pid 653] close(27) = -1 EBADF (Bad file descriptor) [pid 653] close(28) = -1 EBADF (Bad file descriptor) [pid 653] close(29) = -1 EBADF (Bad file descriptor) [pid 653] exit_group(0) = ? [pid 653] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./355", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./355/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./355/binderfs") = 0 [pid 297] umount2("./355/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./355/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./355/cgroup.net") = 0 [pid 297] umount2("./355/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./355/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./355/cgroup.cpu") = 0 [pid 297] umount2("./355/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./355/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./355/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./355") = 0 [pid 297] mkdir("./356", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 358 ./strace-static-x86_64: Process 654 attached [pid 654] set_robust_list(0x555565b1f660, 24) = 0 [pid 654] chdir("./356") = 0 [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 654] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 654] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 654] write(1, "executing program\n", 18executing program ) = 18 [pid 654] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 654] close(3) = -1 EBADF (Bad file descriptor) [pid 654] close(4) = -1 EBADF (Bad file descriptor) [pid 654] close(5) = -1 EBADF (Bad file descriptor) [pid 654] close(6) = -1 EBADF (Bad file descriptor) [pid 654] close(7) = -1 EBADF (Bad file descriptor) [pid 654] close(8) = -1 EBADF (Bad file descriptor) [pid 654] close(9) = -1 EBADF (Bad file descriptor) [pid 654] close(10) = -1 EBADF (Bad file descriptor) [pid 654] close(11) = -1 EBADF (Bad file descriptor) [pid 654] close(12) = -1 EBADF (Bad file descriptor) [pid 654] close(13) = -1 EBADF (Bad file descriptor) [pid 654] close(14) = -1 EBADF (Bad file descriptor) [pid 654] close(15) = -1 EBADF (Bad file descriptor) [pid 654] close(16) = -1 EBADF (Bad file descriptor) [pid 654] close(17) = -1 EBADF (Bad file descriptor) [pid 654] close(18) = -1 EBADF (Bad file descriptor) [pid 654] close(19) = -1 EBADF (Bad file descriptor) [pid 654] close(20) = -1 EBADF (Bad file descriptor) [pid 654] close(21) = -1 EBADF (Bad file descriptor) [pid 654] close(22) = -1 EBADF (Bad file descriptor) [pid 654] close(23) = -1 EBADF (Bad file descriptor) [pid 654] close(24) = -1 EBADF (Bad file descriptor) [pid 654] close(25) = -1 EBADF (Bad file descriptor) [pid 654] close(26) = -1 EBADF (Bad file descriptor) [pid 654] close(27) = -1 EBADF (Bad file descriptor) [pid 654] close(28) = -1 EBADF (Bad file descriptor) [pid 654] close(29) = -1 EBADF (Bad file descriptor) [pid 654] exit_group(0) = ? [pid 654] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./356", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./356/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./356/binderfs") = 0 [pid 297] umount2("./356/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./356/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./356/cgroup.net") = 0 [pid 297] umount2("./356/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./356/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./356/cgroup.cpu") = 0 [pid 297] umount2("./356/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./356/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./356/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./356") = 0 [pid 297] mkdir("./357", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565b1f650) = 359 ./strace-static-x86_64: Process 655 attached [pid 655] set_robust_list(0x555565b1f660, 24) = 0 [pid 655] chdir("./357") = 0 [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 655] setpgid(0, 0) = 0 [pid 655] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 655] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 655] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 655] write(3, "1000", 4) = 4 [pid 655] close(3) = 0 [pid 655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 655] write(1, "executing program\n", 18executing program ) = 18 [ 32.989179][ T653] incfs: Error allocating mount info. -12 [ 32.994940][ T653] incfs: mount failed -12 [ 33.017604][ T654] incfs: Error allocating mount info. -12 [ 33.023405][ T654] incfs: mount failed -12 [pid 655] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 655] close(3) = -1 EBADF (Bad file descriptor) [pid 655] close(4) = -1 EBADF (Bad file descriptor) [pid 655] close(5) = -1 EBADF (Bad file descriptor) [pid 655] close(6) = -1 EBADF (Bad file descriptor) [pid 655] close(7) = -1 EBADF (Bad file descriptor) [pid 655] close(8) = -1 EBADF (Bad file descriptor) [pid 655] close(9) = -1 EBADF (Bad file descriptor) [pid 655] close(10) = -1 EBADF (Bad file descriptor) [pid 655] close(11) = -1 EBADF (Bad file descriptor) [pid 655] close(12) = -1 EBADF (Bad file descriptor) [pid 655] close(13) = -1 EBADF (Bad file descriptor) [pid 655] close(14) = -1 EBADF (Bad file descriptor) [pid 655] close(15) = -1 EBADF (Bad file descriptor) [pid 655] close(16) = -1 EBADF (Bad file descriptor) [pid 655] close(17) = -1 EBADF (Bad file descriptor) [pid 655] close(18) = -1 EBADF (Bad file descriptor) [pid 655] close(19) = -1 EBADF (Bad file descriptor) [pid 655] close(20) = -1 EBADF (Bad file descriptor) [pid 655] close(21) = -1 EBADF (Bad file descriptor) [pid 655] close(22) = -1 EBADF (Bad file descriptor) [pid 655] close(23) = -1 EBADF (Bad file descriptor) [pid 655] close(24) = -1 EBADF (Bad file descriptor) [pid 655] close(25) = -1 EBADF (Bad file descriptor) [pid 655] close(26) = -1 EBADF (Bad file descriptor) [pid 655] close(27) = -1 EBADF (Bad file descriptor) [pid 655] close(28) = -1 EBADF (Bad file descriptor) [pid 655] close(29) = -1 EBADF (Bad file descriptor) [pid 655] exit_group(0) = ? [pid 655] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./357", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 6 entries */, 32768) = 176 [pid 297] umount2("./357/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./357/binderfs") = 0 [pid 297] umount2("./357/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./357/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./357/cgroup.net") = 0 [pid 297] umount2("./357/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./357/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./357/cgroup.cpu") = 0 [pid 297] umount2("./357/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./357/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./357/cgroup") = 0 [pid 297] getdents64(3, 0x555565b206f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./357") = 0 [pid 297] mkdir("./358", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 656 attached , child_tidptr=0x555565b1f650) = 360 [pid 656] set_robust_list(0x555565b1f660, 24) = 0 [pid 656] chdir("./358") = 0 [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 656] setpgid(0, 0) = 0 [pid 656] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 656] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 656] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 656] write(3, "1000", 4) = 4 [pid 656] close(3) = 0 [pid 656] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 656] write(1, "executing program\n", 18) = 18 [pid 656] mount("./cgroup", "./cgroup", "incremental-fs", MS_NOSUID|MS_NOEXEC|MS_MANDLOCK, "rlog_wakeup_cnt=18446744073709551615,rlog_pages=00000000000000022472,") = -1 ENOMEM (Cannot allocate memory) [pid 656] close(3) = -1 EBADF (Bad file descriptor) [pid 656] close(4) = -1 EBADF (Bad file descriptor) [pid 656] close(5) = -1 EBADF (Bad file descriptor) [pid 656] close(6) = -1 EBADF (Bad file descriptor) [pid 656] close(7) = -1 EBADF (Bad file descriptor) [pid 656] close(8) = -1 EBADF (Bad file descriptor) [pid 656] close(9) = -1 EBADF (Bad file descriptor) [pid 656] close(10) = -1 EBADF (Bad file descriptor) [pid 656] close(11) = -1 EBADF (Bad file descriptor) [pid 656] close(12) = -1 EBADF (Bad file descriptor) [pid 656] close(13) = -1 EBADF (Bad file descriptor) [pid 656] close(14) = -1 EBADF (Bad file descriptor) [pid 656] close(15) = -1 EBADF (Bad file descriptor) [pid 656] close(16) = -1 EBADF (Bad file descriptor) [pid 656] close(17) = -1 EBADF (Bad file descriptor) [pid 656] close(18) = -1 EBADF (Bad file descriptor) [pid 656] close(19) = -1 EBADF (Bad file descriptor) [pid 656] close(20) = -1 EBADF (Bad file descriptor) [pid 656] close(21) = -1 EBADF (Bad file descriptor) [pid 656] close(22) = -1 EBADF (Bad file descriptor) [pid 656] close(23) = -1 EBADF (Bad file descriptor) [pid 656] close(24) = -1 EBADF (Bad file descriptor) [pid 656] close(25) = -1 EBADF (Bad file descriptor) [pid 656] close(26) = -1 EBADF (Bad file descriptor) [pid 656] close(27) = -1 EBADF (Bad file descriptor) [pid 656] close(28) = -1 EBADF (Bad file descriptor) [pid 656] close(29) = -1 EBADF (Bad file descriptor) [pid 656] exit_group(0) = ? [pid 656] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---